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232431142 = 21917934171
BaseRepresentation
bin11011101101010…
…01111000100110
3121012100201120211
431312221320212
5434000244032
635021450034
75521426546
oct1566517046
9535321524
10232431142
1110a223a59
1265a1091a
1339200a28
1422c25326
1515613747
hexdda9e26

232431142 has 16 divisors (see below), whose sum is σ = 369057600. Its totient is φ = 109480680.

The previous prime is 232431131. The next prime is 232431163. The reversal of 232431142 is 241134232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10284 + ... + 23887.

It is an arithmetic number, because the mean of its divisors is an integer number (23066100).

Almost surely, 2232431142 is an apocalyptic number.

232431142 is a deficient number, since it is larger than the sum of its proper divisors (136626458).

232431142 is a wasteful number, since it uses less digits than its factorization.

232431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34371.

The product of its digits is 1152, while the sum is 22.

The square root of 232431142 is about 15245.6925720021. The cubic root of 232431142 is about 614.8437631634.

Adding to 232431142 its reverse (241134232), we get a palindrome (473565374).

The spelling of 232431142 in words is "two hundred thirty-two million, four hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 19 38 179 358 3401 6802 34171 68342 649249 1298498 6116609 12233218 116215571 232431142