λ
Math Directory

8,664,820

22 × 5 × 433241
Abundant Even Composite

8,664,820 factors as 2^2 × 5 × 433241. Its 12 positive divisors give a proper-divisor sum of 9,531,344, so this integer is abundant. The Collatz stopping time is 106 steps.

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Prime Factor Structure

Factorization String 2^2 × 5 × 433241
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 18,196,164
Proper Divisor Sum 9,531,344
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #8664791 ← → #8664847

Radix Representation

Decimal 8664820
Binary 100001000011011011110100 (24 bits)
Octal 0o41033364
Hexadecimal 0x8436F4

Divisor Catalog (5 of 12)

1 2 4 5 10

Collatz Trajectory (106 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

8,664,820 4,332,410 2,166,205 6,498,616 3,249,308

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