2,988,918

2 × 3² × 47 × 3533

2,988,918 factors as 2 × 3^2 × 47 × 3533. Its 24 positive divisors give a proper-divisor sum of 3,626,730, so this integer is abundant. The Collatz stopping time is 288 steps.

Prime Factor Structure

Factorization String 2 × 3^2 × 47 × 3533

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 6,615,648

Proper Divisor Sum 3,626,730

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #2988911 ← → #2988949

Radix Representation

Decimal	2988918
Binary	1011011001101101110110 (22 bits)
Octal	0o13315566
Hexadecimal	0x2D9B76

Divisor Catalog (24)

Collatz Trajectory (288 steps to reach 1)

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

2,988,918 1,494,459 4,483,378 2,241,689 6,725,068 3,362,534 1,681,267 5,043,802 2,521,901 7,565,704 3,782,852 1,891,426 945,713 2,837,140 1,418,570 709,285 2,127,856 1,063,928 531,964 265,982 132,991 398,974 199,487 598,462 299,231 897,694 448,847 1,346,542 673,271 2,019,814 1,009,907 3,029,722 1,514,861 4,544,584 2,272,292 1,136,146 568,073 1,704,220 852,110 426,055 1,278,166 639,083 1,917,250 958,625 2,875,876 1,437,938 718,969 2,156,908 1,078,454 539,227 1,617,682 808,841 2,426,524 1,213,262 606,631 1,819,894 909,947 2,729,842 1,364,921 4,094,764

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