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2,489,809

7 × 401 × 887
Deficient Odd Composite

Prime Factor Structure

Factorization String 7 × 401 × 887
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,855,808
Proper Divisor Sum 365,999
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #2489801 ← → #2489813

Radix Representation

Decimal 2489809
Binary 1001011111110111010001 (22 bits)
Octal 0o11376721
Hexadecimal 0x25FDD1

Divisor Catalog (8)

1 7 401 887 2,807 6,209 355,687 2,489,809

Collatz Trajectory (55 steps to reach 1)

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

2,489,809 7,469,428 3,734,714 1,867,357 5,602,072 2,801,036 1,400,518 700,259 2,100,778 1,050,389 3,151,168 1,575,584 787,792 393,896 196,948 98,474 49,237 147,712 73,856 36,928 18,464 9,232 4,616 2,308 1,154 577 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 2 1

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