λ
Ratio Atlas

30,740,486

2 × 7 × 2195749
Deficient Even Composite

30,740,486 factors as 2 × 7 × 2195749. Its 8 positive divisors give a proper-divisor sum of 21,957,514, so this integer is deficient. The Collatz stopping time is 157 steps.

Prime Factor Structure

Factorization String 2 × 7 × 2195749
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 52,698,000
Proper Divisor Sum 21,957,514
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #30740483 ← → #30740503

Radix Representation

Decimal 30740486
Binary 1110101010001000000000110 (25 bits)
Octal 0o165210006
Hexadecimal 0x1D51006

Divisor Catalog (8)

Collatz Trajectory (157 steps to reach 1)

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

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