649,642
2 × 73 × 947
Deficient
Even
Composite
649,642 factors as 2 × 7^3 × 947. Its 16 positive divisors give a proper-divisor sum of 487,958, so this integer is deficient. The Collatz stopping time is 141 steps.
Prime Factor Structure
Factorization String
2 × 7^3 × 947
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
16
Divisor Sum (σ)
1,137,600
Proper Divisor Sum
487,958
Digit Sum / Digital Root
31 (Root: 4)
Radix Representation
| Decimal | 649642 |
| Binary | 10011110100110101010 (20 bits) |
| Octal | 0o2364652 |
| Hexadecimal | 0x9E9AA |
Divisor Catalog (16)
Collatz Trajectory (141 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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