λ
Ratio Atlas

30,278,018

2 × 15139009
Deficient Even Composite

30,278,018 factors as 2 × 15139009. Its 4 positive divisors give a proper-divisor sum of 15,139,012, so this integer is deficient. The Collatz stopping time is 105 steps.

Prime Factor Structure

Factorization String 2 × 15139009
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 45,417,030
Proper Divisor Sum 15,139,012
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #30277981 ← → #30278057

Radix Representation

Decimal 30278018
Binary 1110011100000000110000010 (25 bits)
Octal 0o163400602
Hexadecimal 0x1CE0182

Divisor Catalog (4)

Collatz Trajectory (105 steps to reach 1)

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

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #30,278,017 Browse Full Index Next Integer #30,278,019 →