18,472,216

2³ × 7² × 47123

18,472,216 factors as 2^3 × 7^2 × 47123. Its 24 positive divisors give a proper-divisor sum of 21,818,804, so this integer is abundant. The Collatz stopping time is 226 steps.

Prime Factor Structure

Factorization String 2^3 × 7^2 × 47123

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 40,291,020

Proper Divisor Sum 21,818,804

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #18472189 ← → #18472247

Radix Representation

Decimal	18472216
Binary	1000110011101110100011000 (25 bits)
Octal	0o106356430
Hexadecimal	0x119DD18

Divisor Catalog (24)

Collatz Trajectory (226 steps to reach 1)

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

18,472,216 9,236,108 4,618,054 2,309,027 6,927,082 3,463,541 10,390,624 5,195,312 2,597,656 1,298,828 649,414 324,707 974,122 487,061 1,461,184 730,592 365,296 182,648 91,324 45,662 22,831 68,494 34,247 102,742 51,371 154,114 77,057 231,172 115,586 57,793 173,380 86,690 43,345 130,036 65,018 32,509 97,528 48,764 24,382 12,191 36,574 18,287 54,862 27,431 82,294 41,147 123,442 61,721 185,164 92,582 46,291 138,874 69,437 208,312 104,156 52,078 26,039 78,118 39,059 117,178

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