3,989,260

2² × 5 × 11 × 18133

3,989,260 factors as 2^2 × 5 × 11 × 18133. Its 24 positive divisors give a proper-divisor sum of 5,150,276, so this integer is abundant. The Collatz stopping time is 79 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 18133

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 9,139,536

Proper Divisor Sum 5,150,276

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3989243 ← → #3989261

Radix Representation

Decimal	3989260
Binary	1111001101111100001100 (22 bits)
Octal	0o17157414
Hexadecimal	0x3CDF0C

Divisor Catalog (24)

Collatz Trajectory (79 steps to reach 1)

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

3,989,260 1,994,630 997,315 2,991,946 1,495,973 4,487,920 2,243,960 1,121,980 560,990 280,495 841,486 420,743 1,262,230 631,115 1,893,346 946,673 2,840,020 1,420,010 710,005 2,130,016 1,065,008 532,504 266,252 133,126 66,563 199,690 99,845 299,536 149,768 74,884 37,442 18,721 56,164 28,082 14,041 42,124 21,062 10,531 31,594 15,797 47,392 23,696 11,848 5,924 2,962 1,481 4,444 2,222 1,111 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704

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