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231374 = 21113809
BaseRepresentation
bin111000011111001110
3102202101102
4320133032
524400444
64543102
71652363
oct703716
9382342
10231374
11148920
12b1a92
1381410
146046a
154884e
hex387ce

231374 has 16 divisors (see below), whose sum is σ = 408240. Its totient is φ = 96960.

The previous prime is 231367. The next prime is 231379. The reversal of 231374 is 473132.

231374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231379) by changing a digit.

231374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (25515).

2231374 is an apocalyptic number.

231374 is a deficient number, since it is larger than the sum of its proper divisors (176866).

231374 is a wasteful number, since it uses less digits than its factorization.

231374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its digits is 504, while the sum is 20.

The square root of 231374 is about 481.0135133237. The cubic root of 231374 is about 61.3910203422.

The spelling of 231374 in words is "two hundred thirty-one thousand, three hundred seventy-four".

Divisors: 1 2 11 13 22 26 143 286 809 1618 8899 10517 17798 21034 115687 231374