1,477,372

2² × 13 × 28411

1,477,372 has digital root 4. The neighboring primes are 1477369 and 1477381; its proper-divisor sum differs from the starting integer by -170,368.

Prime Factor Structure

Factorization String 2^2 × 13 × 28411

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 2,784,376

Proper Divisor Sum 1,307,004

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1477369 ← → #1477381

1 2 4 13 26 52 28,411 56,822 113,644 369,343 738,686 1,477,372

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

1,477,372 738,686 369,343 1,108,030 554,015 1,662,046 831,023 2,493,070 1,246,535 3,739,606 1,869,803 5,609,410 2,804,705 8,414,116 4,207,058 2,103,529 6,310,588 3,155,294 1,577,647 4,732,942 2,366,471 7,099,414 3,549,707 10,649,122 5,324,561 15,973,684 7,986,842 3,993,421 11,980,264 5,990,132 2,995,066 1,497,533 4,492,600 2,246,300 1,123,150 561,575 1,684,726 842,363 2,527,090 1,263,545 3,790,636 1,895,318 947,659 2,842,978 1,421,489 4,264,468 2,132,234 1,066,117 3,198,352 1,599,176 799,588 399,794 199,897 599,692 299,846 149,923 449,770 224,885 674,656 337,328