λ
Ratio Atlas

657,250

2 × 53 × 11 × 239
Abundant Even Composite

657,250 factors as 2 × 5^3 × 11 × 239. Its 32 positive divisors give a proper-divisor sum of 690,590, so this integer is abundant. The Collatz stopping time is 154 steps.

Prime Factor Structure

Factorization String 2 × 5^3 × 11 × 239
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 1,347,840
Proper Divisor Sum 690,590
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #657233 ← → #657257

Radix Representation

Decimal 657250
Binary 10100000011101100010 (20 bits)
Octal 0o2403542
Hexadecimal 0xA0762

Divisor Catalog (32)

Collatz Trajectory (154 steps to reach 1)

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

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