λ
Sigma Notebook

3,520,791

32 × 391199
Deficient Odd Composite

3,520,791 is odd and not a perfect square. Its factorization is 3^2 × 391199 and its 6 divisors sum to 5,085,600.

Prime Factor Structure

Factorization String 3^2 × 391199
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 5,085,600
Proper Divisor Sum 1,564,809
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #3520789 ← → #3520799

Radix Representation

Decimal 3520791
Binary 1101011011100100010111 (22 bits)
Octal 0o15334427
Hexadecimal 0x35B917

Divisor Catalog (6)

1 3 9 391,199 1,173,597 3,520,791

Collatz Trajectory (234 steps to reach 1)

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

3,520,791 10,562,374 5,281,187 15,843,562 7,921,781 23,765,344 11,882,672 5,941,336 2,970,668 1,485,334 742,667 2,228,002 1,114,001 3,342,004 1,671,002 835,501 2,506,504 1,253,252 626,626 313,313 939,940 469,970 234,985 704,956 352,478 176,239 528,718 264,359 793,078 396,539 1,189,618 594,809 1,784,428 892,214 446,107 1,338,322 669,161 2,007,484 1,003,742 501,871 1,505,614 752,807 2,258,422 1,129,211 3,387,634 1,693,817 5,081,452 2,540,726 1,270,363 3,811,090 1,905,545 5,716,636 2,858,318 1,429,159 4,287,478 2,143,739 6,431,218 3,215,609 9,646,828 4,823,414

More profiles

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