λ
Sigma Notebook

2,786,748

22 × 3 × 263 × 883
Abundant Even Composite

2,786,748 is even and not a perfect square. Its factorization is 2^2 × 3 × 263 × 883 and its 24 divisors sum to 6,534,528.

Prime Factor Structure

Factorization String 2^2 × 3 × 263 × 883
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 6,534,528
Proper Divisor Sum 3,747,780
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #2786743 ← → #2786753

Radix Representation

Decimal 2786748
Binary 1010101000010110111100 (22 bits)
Octal 0o12502674
Hexadecimal 0x2A85BC

Divisor Catalog (24)

1 2 3 4 6 12 263 526 789 883 1,052 1,578 1,766 2,649 3,156 3,532 5,298 10,596 232,229 464,458 696,687 928,916 1,393,374 2,786,748

Collatz Trajectory (161 steps to reach 1)

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

2,786,748 1,393,374 696,687 2,090,062 1,045,031 3,135,094 1,567,547 4,702,642 2,351,321 7,053,964 3,526,982 1,763,491 5,290,474 2,645,237 7,935,712 3,967,856 1,983,928 991,964 495,982 247,991 743,974 371,987 1,115,962 557,981 1,673,944 836,972 418,486 209,243 627,730 313,865 941,596 470,798 235,399 706,198 353,099 1,059,298 529,649 1,588,948 794,474 397,237 1,191,712 595,856 297,928 148,964 74,482 37,241 111,724 55,862 27,931 83,794 41,897 125,692 62,846 31,423 94,270 47,135 141,406 70,703 212,110 106,055

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