λ
Ratio Atlas

8,985,788

22 × 7 × 61 × 5261
Abundant Even Composite

8,985,788 factors as 2^2 × 7 × 61 × 5261. Its 24 positive divisors give a proper-divisor sum of 9,283,876, so this integer is abundant. The Collatz stopping time is 88 steps.

Prime Factor Structure

Factorization String 2^2 × 7 × 61 × 5261
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 18,269,664
Proper Divisor Sum 9,283,876
Digit Sum / Digital Root 53 (Root: 8)
Adjacent Primes #8985787 ← → #8985799

Radix Representation

Decimal 8985788
Binary 100010010001110010111100 (24 bits)
Octal 0o42216274
Hexadecimal 0x891CBC

Divisor Catalog (24)

1 2 4 7 14 28 61 122 244 427 854 1,708 5,261 10,522 21,044 36,827 73,654 147,308 320,921 641,842 1,283,684 2,246,447 4,492,894 8,985,788

Collatz Trajectory (88 steps to reach 1)

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

8,985,788 4,492,894 2,246,447 6,739,342 3,369,671 10,109,014 5,054,507 15,163,522 7,581,761 22,745,284 11,372,642 5,686,321 17,058,964 8,529,482 4,264,741 12,794,224 6,397,112 3,198,556 1,599,278 799,639 2,398,918 1,199,459 3,598,378 1,799,189 5,397,568 2,698,784 1,349,392 674,696 337,348 168,674 84,337 253,012 126,506 63,253 189,760 94,880 47,440 23,720 11,860 5,930 2,965 8,896 4,448 2,224 1,112 556 278 139 418 209 628 314 157 472 236 118 59 178 89 268

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