28,867,321

7² × 41 × 14369

28,867,321 factors as 7^2 × 41 × 14369. Its 12 positive divisors give a proper-divisor sum of 5,534,459, so this integer is deficient. The Collatz stopping time is 180 steps.

Prime Factor Structure

Factorization String 7^2 × 41 × 14369

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 34,401,780

Proper Divisor Sum 5,534,459

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #28867303 ← → #28867337

Radix Representation

Decimal	28867321
Binary	1101110000111101011111001 (25 bits)
Octal	0o156075371
Hexadecimal	0x1B87AF9

Divisor Catalog (12)

1 7 41 49 287 2,009 14,369 100,583 589,129 704,081 4,123,903 28,867,321

Collatz Trajectory (180 steps to reach 1)

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

28,867,321 86,601,964 43,300,982 21,650,491 64,951,474 32,475,737 97,427,212 48,713,606 24,356,803 73,070,410 36,535,205 109,605,616 54,802,808 27,401,404 13,700,702 6,850,351 20,551,054 10,275,527 30,826,582 15,413,291 46,239,874 23,119,937 69,359,812 34,679,906 17,339,953 52,019,860 26,009,930 13,004,965 39,014,896 19,507,448 9,753,724 4,876,862 2,438,431 7,315,294 3,657,647 10,972,942 5,486,471 16,459,414 8,229,707 24,689,122 12,344,561 37,033,684 18,516,842 9,258,421 27,775,264 13,887,632 6,943,816 3,471,908 1,735,954 867,977 2,603,932 1,301,966 650,983 1,952,950 976,475 2,929,426 1,464,713 4,394,140 2,197,070 1,098,535

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #28,867,320 Browse Full Index Next Integer #28,867,322 →