18,267,508

2² × 7 × 652411

18,267,508 factors as 2^2 × 7 × 652411. Its 12 positive divisors give a proper-divisor sum of 18,267,564, so this integer is abundant. The Collatz stopping time is 133 steps.

Prime Factor Structure

Factorization String 2^2 × 7 × 652411

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 36,535,072

Proper Divisor Sum 18,267,564

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #18267499 ← → #18267523

Radix Representation

Decimal	18267508
Binary	1000101101011110101110100 (25 bits)
Octal	0o105536564
Hexadecimal	0x116BD74

Divisor Catalog (12)

1 2 4 7 14 28 652,411 1,304,822 2,609,644 4,566,877 9,133,754 18,267,508

Collatz Trajectory (133 steps to reach 1)

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

18,267,508 9,133,754 4,566,877 13,700,632 6,850,316 3,425,158 1,712,579 5,137,738 2,568,869 7,706,608 3,853,304 1,926,652 963,326 481,663 1,444,990 722,495 2,167,486 1,083,743 3,251,230 1,625,615 4,876,846 2,438,423 7,315,270 3,657,635 10,972,906 5,486,453 16,459,360 8,229,680 4,114,840 2,057,420 1,028,710 514,355 1,543,066 771,533 2,314,600 1,157,300 578,650 289,325 867,976 433,988 216,994 108,497 325,492 162,746 81,373 244,120 122,060 61,030 30,515 91,546 45,773 137,320 68,660 34,330 17,165 51,496 25,748 12,874 6,437 19,312

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