λ
Sigma Notebook

7,220,390

2 × 5 × 23 × 31393
Deficient Even Composite

7,220,390 is even and not a perfect square. Its factorization is 2 × 5 × 23 × 31393 and its 16 divisors sum to 13,562,208.

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Prime Factor Structure

Factorization String 2 × 5 × 23 × 31393
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 13,562,208
Proper Divisor Sum 6,341,818
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #7220383 ← → #7220407

Radix Representation

Decimal 7220390
Binary 11011100010110010100110 (23 bits)
Octal 0o33426246
Hexadecimal 0x6E2CA6

Divisor Catalog (5 of 16)

1 2 5 10 23

Collatz Trajectory (204 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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