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231123232 = 2541176161
BaseRepresentation
bin11011100011010…
…10100100100000
3121002220021110201
431301222210200
5433131420412
634533434544
75504341444
oct1561524440
9532807421
10231123232
1110951033a
126549ba54
1338b63612
14229a4824
1515455e57
hexdc6a920

231123232 has 24 divisors (see below), whose sum is σ = 466124652. Its totient is φ = 112742400.

The previous prime is 231123229. The next prime is 231123257. The reversal of 231123232 is 232321132.

231123232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198359056 + 32764176 = 14084^2 + 5724^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86769 + ... + 89392.

Almost surely, 2231123232 is an apocalyptic number.

It is an amenable number.

231123232 is an abundant number, since it is smaller than the sum of its proper divisors (235001420).

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

231123232 is a wasteful number, since it uses less digits than its factorization.

231123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176212 (or 176204 counting only the distinct ones).

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

The square root of 231123232 is about 15202.7376482001. The cubic root of 231123232 is about 613.6883336569.

Adding to 231123232 its reverse (232321132), we get a palindrome (463444364).

The spelling of 231123232 in words is "two hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 176161 352322 704644 1409288 2818576 5637152 7222601 14445202 28890404 57780808 115561616 231123232