15,622,990

2 × 5 × 997 × 1567

15,622,990 factors as 2 × 5 × 997 × 1567. Its 16 positive divisors give a proper-divisor sum of 12,544,562, so this integer is deficient. The Collatz stopping time is 68 steps.

Prime Factor Structure

Factorization String 2 × 5 × 997 × 1567

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,167,552

Proper Divisor Sum 12,544,562

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #15622987 ← → #15623011

Radix Representation

Decimal	15622990
Binary	111011100110001101001110 (24 bits)
Octal	0o73461516
Hexadecimal	0xEE634E

Divisor Catalog (16)

1 2 5 10 997 1,567 1,994 3,134 4,985 7,835 9,970 15,670 1,562,299 3,124,598 7,811,495 15,622,990

Collatz Trajectory (68 steps to reach 1)

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

15,622,990 7,811,495 23,434,486 11,717,243 35,151,730 17,575,865 52,727,596 26,363,798 13,181,899 39,545,698 19,772,849 59,318,548 29,659,274 14,829,637 44,488,912 22,244,456 11,122,228 5,561,114 2,780,557 8,341,672 4,170,836 2,085,418 1,042,709 3,128,128 1,564,064 782,032 391,016 195,508 97,754 48,877 146,632 73,316 36,658 18,329 54,988 27,494 13,747 41,242 20,621 61,864 30,932 15,466 7,733 23,200 11,600 5,800 2,900 1,450 725 2,176 1,088 544 272 136 68 34 17 52 26 13

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