718,538
2 × 277 × 1297
Deficient
Even
Composite
718,538 has digital root 5. The neighboring primes are 718513 and 718541; its proper-divisor sum differs from the starting integer by -354,544.
Prime Factor Structure
Factorization String
2 × 277 × 1297
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
1,082,532
Proper Divisor Sum
363,994
Digit Sum / Digital Root
32 (Root: 5)
Radix Representation
| Decimal | 718538 |
| Binary | 10101111011011001010 (20 bits) |
| Octal | 0o2573312 |
| Hexadecimal | 0xAF6CA |
Divisor Catalog (8)
Collatz Trajectory (74 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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