18,642,472

2³ × 17 × 137077

18,642,472 factors as 2^3 × 17 × 137077. Its 16 positive divisors give a proper-divisor sum of 18,368,588, so this integer is deficient. The Collatz stopping time is 195 steps.

Prime Factor Structure

Factorization String 2^3 × 17 × 137077

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 37,011,060

Proper Divisor Sum 18,368,588

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #18642469 ← → #18642493

Radix Representation

Decimal	18642472
Binary	1000111000111011000101000 (25 bits)
Octal	0o107073050
Hexadecimal	0x11C7628

Divisor Catalog (16)

1 2 4 8 17 34 68 136 137,077 274,154 548,308 1,096,616 2,330,309 4,660,618 9,321,236 18,642,472

Collatz Trajectory (195 steps to reach 1)

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

18,642,472 9,321,236 4,660,618 2,330,309 6,990,928 3,495,464 1,747,732 873,866 436,933 1,310,800 655,400 327,700 163,850 81,925 245,776 122,888 61,444 30,722 15,361 46,084 23,042 11,521 34,564 17,282 8,641 25,924 12,962 6,481 19,444 9,722 4,861 14,584 7,292 3,646 1,823 5,470 2,735 8,206 4,103 12,310 6,155 18,466 9,233 27,700 13,850 6,925 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731 2,194 1,097 3,292

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