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235181242 = 22916372477
BaseRepresentation
bin11100000010010…
…01010010111010
3121101112110000101
432001021102322
5440201244432
635200430014
75554002412
oct1601112272
9541473011
10235181242
1111083216a
126691830a
13399546ca
142333d642
15159a84e7
hexe0494ba

235181242 has 16 divisors (see below), whose sum is σ = 365306760. Its totient is φ = 113420608.

The previous prime is 235181209. The next prime is 235181251. The reversal of 235181242 is 242181532.

It can be written as a sum of positive squares in 4 ways, for example, as 141110641 + 94070601 = 11879^2 + 9699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 235181242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93708 + ... + 96184.

Almost surely, 2235181242 is an apocalyptic number.

235181242 is a deficient number, since it is larger than the sum of its proper divisors (130125518).

235181242 is a wasteful number, since it uses less digits than its factorization.

235181242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145.

The product of its digits is 3840, while the sum is 28.

The square root of 235181242 is about 15335.6200396332. The cubic root of 235181242 is about 617.2591832527.

The spelling of 235181242 in words is "two hundred thirty-five million, one hundred eighty-one thousand, two hundred forty-two".

Divisors: 1 2 29 58 1637 2477 3274 4954 47473 71833 94946 143666 4054849 8109698 117590621 235181242