Search a number
-
+
231294494 = 2115647247
BaseRepresentation
bin11011100100101…
…00011000011110
3121010012222101202
431302110120132
5433202410434
634541235502
75505653654
oct1562243036
9533188352
10231294494
11109617a82
1265562b92
1338bc3562
1422a0add4
151548ba7e
hexdc9461e

231294494 has 4 divisors (see below), whose sum is σ = 346941744. Its totient is φ = 115647246.

The previous prime is 231294487. The next prime is 231294521. The reversal of 231294494 is 494492132.

231294494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57823622 + ... + 57823625.

It is an arithmetic number, because the mean of its divisors is an integer number (86735436).

Almost surely, 2231294494 is an apocalyptic number.

231294494 is a deficient number, since it is larger than the sum of its proper divisors (115647250).

231294494 is a wasteful number, since it uses less digits than its factorization.

231294494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115647249.

The product of its digits is 62208, while the sum is 38.

The square root of 231294494 is about 15208.3692090901. The cubic root of 231294494 is about 613.8398769716.

The spelling of 231294494 in words is "two hundred thirty-one million, two hundred ninety-four thousand, four hundred ninety-four".

Divisors: 1 2 115647247 231294494