687,501
33 × 25463
Deficient
Odd
Composite
687,501 factors as 3^3 × 25463. Its 8 positive divisors give a proper-divisor sum of 331,059, so this integer is deficient. The Collatz stopping time is 79 steps.
Prime Factor Structure
Factorization String
3^3 × 25463
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
1,018,560
Proper Divisor Sum
331,059
Digit Sum / Digital Root
27 (Root: 9)
Radix Representation
| Decimal | 687501 |
| Binary | 10100111110110001101 (20 bits) |
| Octal | 0o2476615 |
| Hexadecimal | 0xA7D8D |
Divisor Catalog (8)
Collatz Trajectory (79 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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