1,428,364
22 × 7 × 139 × 367
Abundant
Even
Composite
1,428,364 factors as 2^2 × 7 × 139 × 367. Its 24 positive divisors give a proper-divisor sum of 1,456,756, so this integer is abundant. The Collatz stopping time is 49 steps.
Prime Factor Structure
Factorization String
2^2 × 7 × 139 × 367
Distinct Prime Factors
4
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
24
Divisor Sum (σ)
2,885,120
Proper Divisor Sum
1,456,756
Digit Sum / Digital Root
28 (Root: 1)
Radix Representation
| Decimal | 1428364 |
| Binary | 101011100101110001100 (21 bits) |
| Octal | 0o5345614 |
| Hexadecimal | 0x15CB8C |
Divisor Catalog (24)
Collatz Trajectory (49 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
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