2,748,860

2² × 5 × 137443

2,748,860 factors as 2^2 × 5 × 137443. Its 12 positive divisors give a proper-divisor sum of 3,023,788, so this integer is abundant. The Collatz stopping time is 107 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 137443

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 5,772,648

Proper Divisor Sum 3,023,788

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #2748859 ← → #2748919

Radix Representation

Decimal	2748860
Binary	1010011111000110111100 (22 bits)
Octal	0o12370674
Hexadecimal	0x29F1BC

Divisor Catalog (12)

1 2 4 5 10 20 137,443 274,886 549,772 687,215 1,374,430 2,748,860

Collatz Trajectory (107 steps to reach 1)

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

2,748,860 1,374,430 687,215 2,061,646 1,030,823 3,092,470 1,546,235 4,638,706 2,319,353 6,958,060 3,479,030 1,739,515 5,218,546 2,609,273 7,827,820 3,913,910 1,956,955 5,870,866 2,935,433 8,806,300 4,403,150 2,201,575 6,604,726 3,302,363 9,907,090 4,953,545 14,860,636 7,430,318 3,715,159 11,145,478 5,572,739 16,718,218 8,359,109 25,077,328 12,538,664 6,269,332 3,134,666 1,567,333 4,702,000 2,351,000 1,175,500 587,750 293,875 881,626 440,813 1,322,440 661,220 330,610 165,305 495,916 247,958 123,979 371,938 185,969 557,908 278,954 139,477 418,432 209,216 104,608

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