8,309,540

2² × 5 × 415477

8,309,540 factors as 2^2 × 5 × 415477. Its 12 positive divisors give a proper-divisor sum of 9,140,536, so this integer is abundant. The Collatz stopping time is 199 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 415477

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 17,450,076

Proper Divisor Sum 9,140,536

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #8309537 ← → #8309551

Radix Representation

Decimal	8309540
Binary	11111101100101100100100 (23 bits)
Octal	0o37545444
Hexadecimal	0x7ECB24

Divisor Catalog (12)

1 2 4 5 10 20 415,477 830,954 1,661,908 2,077,385 4,154,770 8,309,540

Collatz Trajectory (199 steps to reach 1)

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

8,309,540 4,154,770 2,077,385 6,232,156 3,116,078 1,558,039 4,674,118 2,337,059 7,011,178 3,505,589 10,516,768 5,258,384 2,629,192 1,314,596 657,298 328,649 985,948 492,974 246,487 739,462 369,731 1,109,194 554,597 1,663,792 831,896 415,948 207,974 103,987 311,962 155,981 467,944 233,972 116,986 58,493 175,480 87,740 43,870 21,935 65,806 32,903 98,710 49,355 148,066 74,033 222,100 111,050 55,525 166,576 83,288 41,644 20,822 10,411 31,234 15,617 46,852 23,426 11,713 35,140 17,570 8,785

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