15,015,460

2² × 5 × 587 × 1279

15,015,460 factors as 2^2 × 5 × 587 × 1279. Its 24 positive divisors give a proper-divisor sum of 16,595,420, so this integer is abundant. The Collatz stopping time is 187 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 587 × 1279

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 31,610,880

Proper Divisor Sum 16,595,420

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #15015449 ← → #15015461

Radix Representation

Decimal	15015460
Binary	111001010001111000100100 (24 bits)
Octal	0o71217044
Hexadecimal	0xE51E24

Divisor Catalog (24)

Collatz Trajectory (187 steps to reach 1)

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

15,015,460 7,507,730 3,753,865 11,261,596 5,630,798 2,815,399 8,446,198 4,223,099 12,669,298 6,334,649 19,003,948 9,501,974 4,750,987 14,252,962 7,126,481 21,379,444 10,689,722 5,344,861 16,034,584 8,017,292 4,008,646 2,004,323 6,012,970 3,006,485 9,019,456 4,509,728 2,254,864 1,127,432 563,716 281,858 140,929 422,788 211,394 105,697 317,092 158,546 79,273 237,820 118,910 59,455 178,366 89,183 267,550 133,775 401,326 200,663 601,990 300,995 902,986 451,493 1,354,480 677,240 338,620 169,310 84,655 253,966 126,983 380,950 190,475 571,426

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