7,828,820
22 × 5 × 391441
Abundant
Even
Composite
7,828,820 factors as 2^2 × 5 × 391441. Its 12 positive divisors give a proper-divisor sum of 8,611,744, so this integer is abundant. The Collatz stopping time is 41 steps.
Resources
Prime Factor Structure
Factorization String
2^2 × 5 × 391441
Distinct Prime Factors
3
Square Status
No
Abundance Measure
Abundant
Analytical Properties
Total Divisors
12
Divisor Sum (σ)
16,440,564
Proper Divisor Sum
8,611,744
Digit Sum / Digital Root
35 (Root: 8)
Adjacent Primes
#7828783 ← → #7828841
Radix Representation
| Decimal | 7828820 |
| Binary | 11101110111010101010100 (23 bits) |
| Octal | 0o35672524 |
| Hexadecimal | 0x777554 |
Divisor Catalog (5 of 12)
Collatz Trajectory (41 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.