λ
Integer Codex

2,552,389

7 × 364627
Deficient Odd Composite

For 2,552,389, the 4 positive divisors have a total of 2,917,024. Removing 2,552,389 leaves 364,635, which gives the deficient classification.

Prime Factor Structure

Factorization String 7 × 364627
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,917,024
Proper Divisor Sum 364,635
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #2552387 ← → #2552393

Radix Representation

Decimal 2552389
Binary 1001101111001001000101 (22 bits)
Octal 0o11571105
Hexadecimal 0x26F245

Divisor Catalog (4)

1 7 364,627 2,552,389

Collatz Trajectory (81 steps to reach 1)

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

2,552,389 7,657,168 3,828,584 1,914,292 957,146 478,573 1,435,720 717,860 358,930 179,465 538,396 269,198 134,599 403,798 201,899 605,698 302,849 908,548 454,274 227,137 681,412 340,706 170,353 511,060 255,530 127,765 383,296 191,648 95,824 47,912 23,956 11,978 5,989 17,968 8,984 4,492 2,246 1,123 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 76

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