15,673,418

2 × 7836709

15,673,418 factors as 2 × 7836709. Its 4 positive divisors give a proper-divisor sum of 7,836,712, so this integer is deficient. The Collatz stopping time is 156 steps.

Prime Factor Structure

Factorization String 2 × 7836709

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 23,510,130

Proper Divisor Sum 7,836,712

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #15673417 ← → #15673421

Radix Representation

Decimal	15673418
Binary	111011110010100001001010 (24 bits)
Octal	0o73624112
Hexadecimal	0xEF284A

Divisor Catalog (4)

1 2 7,836,709 15,673,418

Collatz Trajectory (156 steps to reach 1)

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

15,673,418 7,836,709 23,510,128 11,755,064 5,877,532 2,938,766 1,469,383 4,408,150 2,204,075 6,612,226 3,306,113 9,918,340 4,959,170 2,479,585 7,438,756 3,719,378 1,859,689 5,579,068 2,789,534 1,394,767 4,184,302 2,092,151 6,276,454 3,138,227 9,414,682 4,707,341 14,122,024 7,061,012 3,530,506 1,765,253 5,295,760 2,647,880 1,323,940 661,970 330,985 992,956 496,478 248,239 744,718 372,359 1,117,078 558,539 1,675,618 837,809 2,513,428 1,256,714 628,357 1,885,072 942,536 471,268 235,634 117,817 353,452 176,726 88,363 265,090 132,545 397,636 198,818 99,409

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