λ
Ratio Atlas

17,520,787

17520787
Deficient Odd Prime

17,520,787 factors as 17520787. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 319 steps.

Prime Factor Structure

Factorization String 17520787
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 17,520,788
Proper Divisor Sum 1
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #17520781 ← → #17520821

Radix Representation

Decimal 17520787
Binary 1000010110101100010010011 (25 bits)
Octal 0o102654223
Hexadecimal 0x10B5893

Divisor Catalog (2)

Collatz Trajectory (319 steps to reach 1)

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

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