4,027,920

2⁴ × 3 × 5 × 13 × 1291

4,027,920 has the prime decomposition 2^4 × 3 × 5 × 13 × 1291. Its 5 distinct prime factors produce 80 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 3 × 5 × 13 × 1291

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 13,457,472

Proper Divisor Sum 9,429,552

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #4027913 ← → #4027927

1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1,040 1,291 1,560 2,582 3,120 3,873 5,164 6,455 7,746 10,328 12,910 15,492 16,783 19,365 20,656 25,820 30,984 33,566 38,730 50,349 51,640 61,968 67,132

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

4,027,920 2,013,960 1,006,980 503,490 251,745 755,236 377,618 188,809 566,428 283,214 141,607 424,822 212,411 637,234 318,617 955,852 477,926 238,963 716,890 358,445 1,075,336 537,668 268,834 134,417 403,252 201,626 100,813 302,440 151,220 75,610 37,805 113,416 56,708 28,354 14,177 42,532 21,266 10,633 31,900 15,950 7,975 23,926 11,963 35,890 17,945 53,836 26,918 13,459 40,378 20,189 60,568 30,284 15,142 7,571 22,714 11,357 34,072 17,036 8,518 4,259