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402331113 = 323111171291
BaseRepresentation
bin10111111110110…
…001010111101001
31001001001112112100
4113332301113221
51310444043423
6103531204013
712653521002
oct2776612751
91031045470
10402331113
11197118358
12b28a6609
1365479662
143b6101a9
15254c4343
hex17fb15e9

402331113 has 24 divisors (see below), whose sum is σ = 600893696. Its totient is φ = 259135200.

The previous prime is 402331103. The next prime is 402331147. The reversal of 402331113 is 311133204.

It is not a de Polignac number, because 402331113 - 226 = 335222249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402331103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310998 + ... + 312288.

Almost surely, 2402331113 is an apocalyptic number.

It is an amenable number.

402331113 is a deficient number, since it is larger than the sum of its proper divisors (198562583).

402331113 is a wasteful number, since it uses less digits than its factorization.

402331113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 402331113 is about 20058.1931638919. The cubic root of 402331113 is about 738.2348438499.

Adding to 402331113 its reverse (311133204), we get a palindrome (713464317).

The spelling of 402331113 in words is "four hundred two million, three hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 3 9 31 93 279 1117 1291 3351 3873 10053 11619 34627 40021 103881 120063 311643 360189 1442047 4326141 12978423 44703457 134110371 402331113