1,640,471
72 × 33479
Deficient
Odd
Composite
1,640,471 factors as 7^2 × 33479. Its 6 positive divisors give a proper-divisor sum of 267,889, so this integer is deficient. The Collatz stopping time is 163 steps.
Resources
Prime Factor Structure
Factorization String
7^2 × 33479
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
6
Divisor Sum (σ)
1,908,360
Proper Divisor Sum
267,889
Digit Sum / Digital Root
23 (Root: 5)
Adjacent Primes
#1640467 ← → #1640497
Radix Representation
| Decimal | 1640471 |
| Binary | 110010000100000010111 (21 bits) |
| Octal | 0o6204027 |
| Hexadecimal | 0x190817 |
Divisor Catalog (5 of 6)
Collatz Trajectory (163 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.