2,640,684
22 × 3 × 220057
Abundant
Even
Composite
2,640,684 factors as 2^2 × 3 × 220057. Its 12 positive divisors give a proper-divisor sum of 3,520,940, so this integer is abundant. The Collatz stopping time is 125 steps.
Resources
Prime Factor Structure
Factorization String
2^2 × 3 × 220057
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
6,161,624
Proper Divisor Sum
3,520,940
Digit Sum / Digital Root
30 (Root: 3)
Adjacent Primes
#2640683 ← → #2640689
Radix Representation
| Decimal | 2640684 |
| Binary | 1010000100101100101100 (22 bits) |
| Octal | 0o12045454 |
| Hexadecimal | 0x284B2C |
Divisor Catalog (5 of 12)
Collatz Trajectory (125 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.