λ
Ratio Atlas

27,877,810

2 × 5 × 2787781
Deficient Even Composite

27,877,810 factors as 2 × 5 × 2787781. Its 8 positive divisors give a proper-divisor sum of 22,302,266, so this integer is deficient. The Collatz stopping time is 255 steps.

Prime Factor Structure

Factorization String 2 × 5 × 2787781
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 50,180,076
Proper Divisor Sum 22,302,266
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #27877799 ← → #27877823

Radix Representation

Decimal 27877810
Binary 1101010010110000110110010 (25 bits)
Octal 0o152260662
Hexadecimal 0x1A961B2

Divisor Catalog (8)

Collatz Trajectory (255 steps to reach 1)

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

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