15,132,845

5 × 7 × 13 × 79 × 421

15,132,845 factors as 5 × 7 × 13 × 79 × 421. Its 32 positive divisors give a proper-divisor sum of 7,553,875, so this integer is deficient. The Collatz stopping time is 130 steps.

Prime Factor Structure

Factorization String 5 × 7 × 13 × 79 × 421

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 22,686,720

Proper Divisor Sum 7,553,875

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #15132811 ← → #15132853

Radix Representation

Decimal	15132845
Binary	111001101110100010101101 (24 bits)
Octal	0o71564255
Hexadecimal	0xE6E8AD

Divisor Catalog (32)

Collatz Trajectory (130 steps to reach 1)

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

15,132,845 45,398,536 22,699,268 11,349,634 5,674,817 17,024,452 8,512,226 4,256,113 12,768,340 6,384,170 3,192,085 9,576,256 4,788,128 2,394,064 1,197,032 598,516 299,258 149,629 448,888 224,444 112,222 56,111 168,334 84,167 252,502 126,251 378,754 189,377 568,132 284,066 142,033 426,100 213,050 106,525 319,576 159,788 79,894 39,947 119,842 59,921 179,764 89,882 44,941 134,824 67,412 33,706 16,853 50,560 25,280 12,640 6,320 3,160 1,580 790 395 1,186 593 1,780 890 445

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