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230290 = 2523029
BaseRepresentation
bin111000001110010010
3102200220021
4320032102
524332130
64534054
71646254
oct701622
9380807
10230290
11148025
12b132a
1380a88
145dcd4
154837a
hex38392

230290 has 8 divisors (see below), whose sum is σ = 414540. Its totient is φ = 92112.

The previous prime is 230281. The next prime is 230291. The reversal of 230290 is 92032.

It can be written as a sum of positive squares in 2 ways, for example, as 223729 + 6561 = 473^2 + 81^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (230291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11505 + ... + 11524.

2230290 is an apocalyptic number.

230290 is a deficient number, since it is larger than the sum of its proper divisors (184250).

230290 is a wasteful number, since it uses less digits than its factorization.

230290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23036.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 230290 is about 479.8854029870. The cubic root of 230290 is about 61.2949967841.

The spelling of 230290 in words is "two hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 23029 46058 115145 230290