λ
Sigma Notebook

4,428,856

23 × 553607
Deficient Even Composite

4,428,856 is even and not a perfect square. Its factorization is 2^3 × 553607 and its 8 divisors sum to 8,304,120.

Prime Factor Structure

Factorization String 2^3 × 553607
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,304,120
Proper Divisor Sum 3,875,264
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #4428847 ← → #4428859

Radix Representation

Decimal 4428856
Binary 10000111001010000111000 (23 bits)
Octal 0o20712070
Hexadecimal 0x439438

Divisor Catalog (8)

1 2 4 8 553,607 1,107,214 2,214,428 4,428,856

Collatz Trajectory (61 steps to reach 1)

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

4,428,856 2,214,428 1,107,214 553,607 1,660,822 830,411 2,491,234 1,245,617 3,736,852 1,868,426 934,213 2,802,640 1,401,320 700,660 350,330 175,165 525,496 262,748 131,374 65,687 197,062 98,531 295,594 147,797 443,392 221,696 110,848 55,424 27,712 13,856 6,928 3,464 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4

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