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232106631 = 377368877
BaseRepresentation
bin11011101010110…
…10101010000111
3121011202020102220
431311122222013
5433404403011
635010503423
75515605501
oct1565325207
9534666386
10232106631
1110a022169
1265894b73
1339119103
1422b7cd71
151559c506
hexdd5aa87

232106631 has 4 divisors (see below), whose sum is σ = 309475512. Its totient is φ = 154737752.

The previous prime is 232106629. The next prime is 232106657. The reversal of 232106631 is 136601232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232106631 - 21 = 232106629 is a prime.

It is a super-2 number, since 2×2321066312 = 107746976308340322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232106431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38684436 + ... + 38684441.

It is an arithmetic number, because the mean of its divisors is an integer number (77368878).

Almost surely, 2232106631 is an apocalyptic number.

232106631 is a deficient number, since it is larger than the sum of its proper divisors (77368881).

232106631 is an equidigital number, since it uses as much as digits as its factorization.

232106631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77368880.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 232106631 is about 15235.0461436781. The cubic root of 232106631 is about 614.5574898606.

Adding to 232106631 its reverse (136601232), we get a palindrome (368707863).

The spelling of 232106631 in words is "two hundred thirty-two million, one hundred six thousand, six hundred thirty-one".

Divisors: 1 3 77368877 232106631