λ
Sigma Notebook

3,870,678

2 × 3 × 7 × 157 × 587
Abundant Even Composite

3,870,678 is even and not a perfect square. Its factorization is 2 × 3 × 7 × 157 × 587 and its 32 divisors sum to 8,918,784.

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Prime Factor Structure

Factorization String 2 × 3 × 7 × 157 × 587
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 8,918,784
Proper Divisor Sum 5,048,106
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #3870667 ← → #3870689

Radix Representation

Decimal 3870678
Binary 1110110000111111010110 (22 bits)
Octal 0o16607726
Hexadecimal 0x3B0FD6

Divisor Catalog (5 of 32)

1 2 3 6 7

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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