625,658

2 × 11 × 28439

625,658 factors as 2 × 11 × 28439. Its 8 positive divisors give a proper-divisor sum of 398,182, so this integer is deficient. The Collatz stopping time is 110 steps.

Prime Factor Structure

Factorization String 2 × 11 × 28439

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,023,840

Proper Divisor Sum 398,182

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #625657 ← → #625661

Radix Representation

Decimal	625658
Binary	10011000101111111010 (20 bits)
Octal	0o2305772
Hexadecimal	0x98BFA

Divisor Catalog (8)

1 2 11 22 28,439 56,878 312,829 625,658

Collatz Trajectory (110 steps to reach 1)

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

625,658 312,829 938,488 469,244 234,622 117,311 351,934 175,967 527,902 263,951 791,854 395,927 1,187,782 593,891 1,781,674 890,837 2,672,512 1,336,256 668,128 334,064 167,032 83,516 41,758 20,879 62,638 31,319 93,958 46,979 140,938 70,469 211,408 105,704 52,852 26,426 13,213 39,640 19,820 9,910 4,955 14,866 7,433 22,300 11,150 5,575 16,726 8,363 25,090 12,545 37,636 18,818 9,409 28,228 14,114 7,057 21,172 10,586 5,293 15,880 7,940 3,970

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