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Atlas › Integer Profiles › Node 80,939,080

80,939,080

23 × 5 × 107 × 18911
Abundant Even Composite

80,939,080 factors as 2^3 × 5 × 107 × 18911. Its 32 positive divisors give a proper-divisor sum of 102,885,560, so this integer is abundant. The Collatz stopping time is 109 steps.

Prime Factor Structure

Factorization String 2^3 × 5 × 107 × 18911
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 183,824,640
Proper Divisor Sum 102,885,560
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #80939051 ← → #80939081

Radix Representation

Decimal 80939080
Binary 100110100110000100001001000 (27 bits)
Octal 0o464604110
Hexadecimal 0x4D30848

Divisor Catalog (32)

1 2 4 5 8 10 20 40 107 214 428 535 856 1,070 2,140 4,280 18,911 37,822 75,644 94,555 151,288 189,110 378,220 756,440 2,023,477 4,046,954 8,093,908 10,117,385 16,187,816 20,234,770 40,469,540 80,939,080

Collatz Trajectory (109 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

80,939,080 40,469,540 20,234,770 10,117,385 30,352,156 15,176,078 7,588,039 22,764,118 11,382,059 34,146,178 17,073,089 51,219,268 25,609,634 12,804,817 38,414,452 19,207,226 9,603,613 28,810,840 14,405,420 7,202,710 3,601,355 10,804,066 5,402,033 16,206,100 8,103,050 4,051,525 12,154,576 6,077,288 3,038,644 1,519,322 759,661 2,278,984 1,139,492 569,746 284,873 854,620 427,310 213,655 640,966 320,483 961,450 480,725 1,442,176 721,088 360,544 180,272 90,136 45,068 22,534 11,267 33,802 16,901 50,704 25,352 12,676 6,338 3,169 9,508 4,754 2,377

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