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382713138 = 23254139301
BaseRepresentation
bin10110110011111…
…011110100110010
3222200010211201200
4112303323310302
51240433310023
6101550512030
712325002513
oct2663736462
9880124650
10382713138
11187039055
12a8205616
136139b0a2
1438b84a0a
15238eb743
hex16cfbd32

382713138 has 24 divisors (see below), whose sum is σ = 830765676. Its totient is φ = 127332000.

The previous prime is 382713127. The next prime is 382713167. The reversal of 382713138 is 831317283.

It can be written as a sum of positive squares in 2 ways, for example, as 373146489 + 9566649 = 19317^2 + 3093^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9913 + ... + 29388.

Almost surely, 2382713138 is an apocalyptic number.

382713138 is an abundant number, since it is smaller than the sum of its proper divisors (448052538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

382713138 is a wasteful number, since it uses less digits than its factorization.

382713138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39850 (or 39847 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 382713138 is about 19563.0554362042. The cubic root of 382713138 is about 726.0353897554.

The spelling of 382713138 in words is "three hundred eighty-two million, seven hundred thirteen thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9 18 541 1082 1623 3246 4869 9738 39301 78602 117903 235806 353709 707418 21261841 42523682 63785523 127571046 191356569 382713138