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231364 = 2278263
BaseRepresentation
bin111000011111000100
3102202101001
4320133010
524400424
64543044
71652350
oct703704
9382331
10231364
11148911
12b1a84
1381403
1460460
1548844
hex387c4

231364 has 12 divisors (see below), whose sum is σ = 462784. Its totient is φ = 99144.

The previous prime is 231359. The next prime is 231367. The reversal of 231364 is 463132.

231364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

231364 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (231367) 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, 4104 + ... + 4159.

2231364 is an apocalyptic number.

It is an amenable number.

231364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231364 is a wasteful number, since it uses less digits than its factorization.

231364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274 (or 8272 counting only the distinct ones).

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

The square root of 231364 is about 481.0031184930. The cubic root of 231364 is about 61.3901358881.

Adding to 231364 its reverse (463132), we get a palindrome (694496).

It can be divided in two parts, 231 and 364, that added together give a palindrome (595).

The spelling of 231364 in words is "two hundred thirty-one thousand, three hundred sixty-four".

Divisors: 1 2 4 7 14 28 8263 16526 33052 57841 115682 231364