λ
Ratio Atlas

20,487,550

2 × 52 × 17 × 24103
Deficient Even Composite

20,487,550 factors as 2 × 5^2 × 17 × 24103. Its 24 positive divisors give a proper-divisor sum of 19,862,546, so this integer is deficient. The Collatz stopping time is 208 steps.

Prime Factor Structure

Factorization String 2 × 5^2 × 17 × 24103
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 40,350,096
Proper Divisor Sum 19,862,546
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #20487527 ← → #20487563

Radix Representation

Decimal 20487550
Binary 1001110001001110101111110 (25 bits)
Octal 0o116116576
Hexadecimal 0x1389D7E

Divisor Catalog (24)

Collatz Trajectory (208 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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