λ
Ratio Atlas

684,036

22 × 32 × 19001
Abundant Even Composite

684,036 factors as 2^2 × 3^2 × 19001. Its 18 positive divisors give a proper-divisor sum of 1,045,146, so this integer is abundant. The Collatz stopping time is 53 steps.

Prime Factor Structure

Factorization String 2^2 × 3^2 × 19001
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 18
Divisor Sum (σ) 1,729,182
Proper Divisor Sum 1,045,146
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #684017 ← → #684037

Radix Representation

Decimal 684036
Binary 10100111000000000100 (20 bits)
Octal 0o2470004
Hexadecimal 0xA7004

Divisor Catalog (18)

Collatz Trajectory (53 steps to reach 1)

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

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