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231244 = 22134447
BaseRepresentation
bin111000011101001100
3102202012121
4320131030
524344434
64542324
71652116
oct703514
9382177
10231244
11148812
12b19a4
1381340
14603b6
15487b4
hex3874c

231244 has 12 divisors (see below), whose sum is σ = 435904. Its totient is φ = 106704.

The previous prime is 231241. The next prime is 231269. The reversal of 231244 is 442132.

231244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231241) 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, 2172 + ... + 2275.

2231244 is an apocalyptic number.

It is an amenable number.

231244 is a deficient number, since it is larger than the sum of its proper divisors (204660).

231244 is a wasteful number, since it uses less digits than its factorization.

231244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4462 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 231244 is about 480.8783629984. The cubic root of 231244 is about 61.3795204505.

Adding to 231244 its reverse (442132), we get a palindrome (673376).

The spelling of 231244 in words is "two hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 4447 8894 17788 57811 115622 231244