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231234 = 23172267
BaseRepresentation
bin111000011101000010
3102202012020
4320131002
524344414
64542310
71652103
oct703502
9382166
10231234
11148803
12b1996
1381333
14603aa
15487a9
hex38742

231234 has 16 divisors (see below), whose sum is σ = 489888. Its totient is φ = 72512.

The previous prime is 231223. The next prime is 231241. The reversal of 231234 is 432132.

It is an unprimeable number.

231234 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (30618).

2231234 is an apocalyptic number.

231234 is an abundant number, since it is smaller than the sum of its proper divisors (258654).

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

231234 is a wasteful number, since it uses less digits than its factorization.

231234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289.

The product of its digits is 144, while the sum is 15.

The square root of 231234 is about 480.8679652462. The cubic root of 231234 is about 61.3786356650.

Adding to 231234 its reverse (432132), we get a palindrome (663366).

It can be divided in two parts, 2312 and 34, that added together give a triangular number (2346 = T68).

The spelling of 231234 in words is "two hundred thirty-one thousand, two hundred thirty-four".