λ
Sigma Notebook

3,817,690

2 × 5 × 172 × 1321
Deficient Even Composite

3,817,690 is even and not a perfect square. Its factorization is 2 × 5 × 17^2 × 1321 and its 24 divisors sum to 7,305,372.

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Prime Factor Structure

Factorization String 2 × 5 × 17^2 × 1321
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 7,305,372
Proper Divisor Sum 3,487,682
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #3817687 ← → #3817691

Radix Representation

Decimal 3817690
Binary 1110100100000011011010 (22 bits)
Octal 0o16440332
Hexadecimal 0x3A40DA

Divisor Catalog (5 of 24)

1 2 5 10 17

Collatz Trajectory (128 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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