3,974,380

2² × 5 × 198719

3,974,380 factors as 2^2 × 5 × 198719. Its 12 positive divisors give a proper-divisor sum of 4,371,860, so this integer is abundant. The Collatz stopping time is 141 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 198719

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 8,346,240

Proper Divisor Sum 4,371,860

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #3974371 ← → #3974387

Radix Representation

Decimal	3974380
Binary	1111001010010011101100 (22 bits)
Octal	0o17122354
Hexadecimal	0x3CA4EC

Divisor Catalog (12)

1 2 4 5 10 20 198,719 397,438 794,876 993,595 1,987,190 3,974,380

Collatz Trajectory (141 steps to reach 1)

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

3,974,380 1,987,190 993,595 2,980,786 1,490,393 4,471,180 2,235,590 1,117,795 3,353,386 1,676,693 5,030,080 2,515,040 1,257,520 628,760 314,380 157,190 78,595 235,786 117,893 353,680 176,840 88,420 44,210 22,105 66,316 33,158 16,579 49,738 24,869 74,608 37,304 18,652 9,326 4,663 13,990 6,995 20,986 10,493 31,480 15,740 7,870 3,935 11,806 5,903 17,710 8,855 26,566 13,283 39,850 19,925 59,776 29,888 14,944 7,472 3,736 1,868 934 467 1,402 701

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