18,715,025

5² × 7 × 229 × 467

18,715,025 factors as 5^2 × 7 × 229 × 467. Its 24 positive divisors give a proper-divisor sum of 7,979,695, so this integer is deficient. The Collatz stopping time is 164 steps.

Prime Factor Structure

Factorization String 5^2 × 7 × 229 × 467

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 26,694,720

Proper Divisor Sum 7,979,695

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #18715013 ← → #18715051

Radix Representation

Decimal	18715025
Binary	1000111011001000110010001 (25 bits)
Octal	0o107310621
Hexadecimal	0x11D9191

Divisor Catalog (24)

Collatz Trajectory (164 steps to reach 1)

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

18,715,025 56,145,076 28,072,538 14,036,269 42,108,808 21,054,404 10,527,202 5,263,601 15,790,804 7,895,402 3,947,701 11,843,104 5,921,552 2,960,776 1,480,388 740,194 370,097 1,110,292 555,146 277,573 832,720 416,360 208,180 104,090 52,045 156,136 78,068 39,034 19,517 58,552 29,276 14,638 7,319 21,958 10,979 32,938 16,469 49,408 24,704 12,352 6,176 3,088 1,544 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94

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