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231424274 = 2115712137
BaseRepresentation
bin11011100101101…
…00000100010010
3121010110120102102
431302310010102
5433221034044
634544120402
75510034224
oct1562640422
9533416372
10231424274
111096a6534
1265606102
1338c3a653
1422a42414
15154b524e
hexdcb4112

231424274 has 4 divisors (see below), whose sum is σ = 347136414. Its totient is φ = 115712136.

The previous prime is 231424273. The next prime is 231424279. The reversal of 231424274 is 472424132.

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

It can be written as a sum of positive squares in only one way, i.e., 193071025 + 38353249 = 13895^2 + 6193^2 .

It is not an unprimeable number, because it can be changed into a prime (231424273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57856067 + ... + 57856070.

Almost surely, 2231424274 is an apocalyptic number.

231424274 is a deficient number, since it is larger than the sum of its proper divisors (115712140).

231424274 is a wasteful number, since it uses less digits than its factorization.

231424274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115712139.

The product of its digits is 10752, while the sum is 29.

The square root of 231424274 is about 15212.6353404004. The cubic root of 231424274 is about 613.9546646067.

The spelling of 231424274 in words is "two hundred thirty-one million, four hundred twenty-four thousand, two hundred seventy-four".

Divisors: 1 2 115712137 231424274