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231232132 = 2257808033
BaseRepresentation
bin11011100100001…
…01001010000100
3121010002210212001
431302011022010
5433143412012
634540035044
75505304105
oct1562051204
9533083761
10231232132
1110958513a
1265532a84
1338ba1061
14229d23ac
1515478357
hexdc85284

231232132 has 6 divisors (see below), whose sum is σ = 404656238. Its totient is φ = 115616064.

The previous prime is 231232123. The next prime is 231232153.

231232132 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 142420356 + 88811776 = 11934^2 + 9424^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28904013 + ... + 28904020.

Almost surely, 2231232132 is an apocalyptic number.

It is an amenable number.

231232132 is a deficient number, since it is larger than the sum of its proper divisors (173424106).

231232132 is a wasteful number, since it uses less digits than its factorization.

231232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57808037 (or 57808035 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 231232132 is about 15206.3188181756. The cubic root of 231232132 is about 613.7847038419.

The spelling of 231232132 in words is "two hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 57808033 115616066 231232132