42,904,489

19² × 157 × 757

42,904,489 factors as 19^2 × 157 × 757. Its 12 positive divisors give a proper-divisor sum of 2,725,595, so this integer is deficient. The Collatz stopping time is 266 steps.

Prime Factor Structure

Factorization String 19^2 × 157 × 757

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 45,630,084

Proper Divisor Sum 2,725,595

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #42904487 ← → #42904493

Radix Representation

Decimal	42904489
Binary	10100011101010101110101001 (26 bits)
Octal	0o243525651
Hexadecimal	0x28EABA9

Divisor Catalog (12)

1 19 157 361 757 2,983 14,383 56,677 118,849 273,277 2,258,131 42,904,489

Collatz Trajectory (266 steps to reach 1)

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

42,904,489 128,713,468 64,356,734 32,178,367 96,535,102 48,267,551 144,802,654 72,401,327 217,203,982 108,601,991 325,805,974 162,902,987 488,708,962 244,354,481 733,063,444 366,531,722 183,265,861 549,797,584 274,898,792 137,449,396 68,724,698 34,362,349 103,087,048 51,543,524 25,771,762 12,885,881 38,657,644 19,328,822 9,664,411 28,993,234 14,496,617 43,489,852 21,744,926 10,872,463 32,617,390 16,308,695 48,926,086 24,463,043 73,389,130 36,694,565 110,083,696 55,041,848 27,520,924 13,760,462 6,880,231 20,640,694 10,320,347 30,961,042 15,480,521 46,441,564 23,220,782 11,610,391 34,831,174 17,415,587 52,246,762 26,123,381 78,370,144 39,185,072 19,592,536 9,796,268

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