15,491,956

2² × 1523 × 2543

15,491,956 factors as 2^2 × 1523 × 2543. Its 12 positive divisors give a proper-divisor sum of 11,647,436, so this integer is deficient. The Collatz stopping time is 218 steps.

Prime Factor Structure

Factorization String 2^2 × 1523 × 2543

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 27,139,392

Proper Divisor Sum 11,647,436

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #15491939 ← → #15492013

Radix Representation

Decimal	15491956
Binary	111011000110001101110100 (24 bits)
Octal	0o73061564
Hexadecimal	0xEC6374

Divisor Catalog (12)

1 2 4 1,523 2,543 3,046 5,086 6,092 10,172 3,872,989 7,745,978 15,491,956

Collatz Trajectory (218 steps to reach 1)

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

15,491,956 7,745,978 3,872,989 11,618,968 5,809,484 2,904,742 1,452,371 4,357,114 2,178,557 6,535,672 3,267,836 1,633,918 816,959 2,450,878 1,225,439 3,676,318 1,838,159 5,514,478 2,757,239 8,271,718 4,135,859 12,407,578 6,203,789 18,611,368 9,305,684 4,652,842 2,326,421 6,979,264 3,489,632 1,744,816 872,408 436,204 218,102 109,051 327,154 163,577 490,732 245,366 122,683 368,050 184,025 552,076 276,038 138,019 414,058 207,029 621,088 310,544 155,272 77,636 38,818 19,409 58,228 29,114 14,557 43,672 21,836 10,918 5,459 16,378

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