2,930,780

2² × 5 × 146539

2,930,780 factors as 2^2 × 5 × 146539. Its 12 positive divisors give a proper-divisor sum of 3,223,900, so this integer is abundant. The Collatz stopping time is 182 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 146539

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 6,154,680

Proper Divisor Sum 3,223,900

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2930777 ← → #2930789

Radix Representation

Decimal	2930780
Binary	1011001011100001011100 (22 bits)
Octal	0o13134134
Hexadecimal	0x2CB85C

Divisor Catalog (12)

1 2 4 5 10 20 146,539 293,078 586,156 732,695 1,465,390 2,930,780

Collatz Trajectory (182 steps to reach 1)

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

2,930,780 1,465,390 732,695 2,198,086 1,099,043 3,297,130 1,648,565 4,945,696 2,472,848 1,236,424 618,212 309,106 154,553 463,660 231,830 115,915 347,746 173,873 521,620 260,810 130,405 391,216 195,608 97,804 48,902 24,451 73,354 36,677 110,032 55,016 27,508 13,754 6,877 20,632 10,316 5,158 2,579 7,738 3,869 11,608 5,804 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104

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