λ
Ratio Atlas

12,528,419

12528419
Deficient Odd Prime

12,528,419 factors as 12528419. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 78 steps.

Prime Factor Structure

Factorization String 12528419
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 12,528,420
Proper Divisor Sum 1
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #12528413 ← → #12528421

Radix Representation

Decimal 12528419
Binary 101111110010101100100011 (24 bits)
Octal 0o57625443
Hexadecimal 0xBF2B23

Divisor Catalog (2)

Collatz Trajectory (78 steps to reach 1)

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

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