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231092 = 2257773
BaseRepresentation
bin111000011010110100
3102201222222
4320122310
524343332
64541512
71651511
oct703264
9381888
10231092
11148694
12b1898
1381254
1460308
1548712
hex386b4

231092 has 6 divisors (see below), whose sum is σ = 404418. Its totient is φ = 115544.

The previous prime is 231079. The next prime is 231107. The reversal of 231092 is 290132.

231092 is digitally balanced in base 2, 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 only one way, i.e., 132496 + 98596 = 364^2 + 314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231092.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231092.

It is an unprimeable number.

231092 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 as a sum of consecutive naturals, namely, 28883 + ... + 28890.

It is an arithmetic number, because the mean of its divisors is an integer number (67403).

2231092 is an apocalyptic number.

It is an amenable number.

231092 is a deficient number, since it is larger than the sum of its proper divisors (173326).

231092 is a wasteful number, since it uses less digits than its factorization.

231092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57777 (or 57775 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 231092 is about 480.7202928939. The cubic root of 231092 is about 61.3660689562.

The spelling of 231092 in words is "two hundred thirty-one thousand, ninety-two".

Divisors: 1 2 4 57773 115546 231092