λ
Ratio Atlas

18,497,396

22 × 41 × 432 × 61
Deficient Even Composite

18,497,396 factors as 2^2 × 41 × 43^2 × 61. Its 36 positive divisors give a proper-divisor sum of 16,008,208, so this integer is deficient. The Collatz stopping time is 239 steps.

Prime Factor Structure

Factorization String 2^2 × 41 × 43^2 × 61
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 36
Divisor Sum (σ) 34,505,604
Proper Divisor Sum 16,008,208
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #18497321 ← → #18497419

Radix Representation

Decimal 18497396
Binary 1000110100011111101110100 (25 bits)
Octal 0o106437564
Hexadecimal 0x11A3F74

Divisor Catalog (36)

Collatz Trajectory (239 steps to reach 1)

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

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