15,428,974

2 × 11 × 61 × 11497

15,428,974 factors as 2 × 11 × 61 × 11497. Its 16 positive divisors give a proper-divisor sum of 10,234,562, so this integer is deficient. The Collatz stopping time is 73 steps.

Prime Factor Structure

Factorization String 2 × 11 × 61 × 11497

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 25,663,536

Proper Divisor Sum 10,234,562

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #15428971 ← → #15428981

Radix Representation

Decimal	15428974
Binary	111010110110110101101110 (24 bits)
Octal	0o72666556
Hexadecimal	0xEB6D6E

Divisor Catalog (16)

1 2 11 22 61 122 671 1,342 11,497 22,994 126,467 252,934 701,317 1,402,634 7,714,487 15,428,974

Collatz Trajectory (73 steps to reach 1)

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

15,428,974 7,714,487 23,143,462 11,571,731 34,715,194 17,357,597 52,072,792 26,036,396 13,018,198 6,509,099 19,527,298 9,763,649 29,290,948 14,645,474 7,322,737 21,968,212 10,984,106 5,492,053 16,476,160 8,238,080 4,119,040 2,059,520 1,029,760 514,880 257,440 128,720 64,360 32,180 16,090 8,045 24,136 12,068 6,034 3,017 9,052 4,526 2,263 6,790 3,395 10,186 5,093 15,280 7,640 3,820 1,910 955 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454

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