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230313 = 376771
BaseRepresentation
bin111000001110101001
3102200221010
4320032221
524332223
64534133
71646316
oct701651
9380833
10230313
11148046
12b1349
1380aa5
145dd0d
1548393
hex383a9

230313 has 4 divisors (see below), whose sum is σ = 307088. Its totient is φ = 153540.

The previous prime is 230311. The next prime is 230327. The reversal of 230313 is 313032.

Adding to 230313 its reverse (313032), we get a palindrome (543345).

It is a happy number.

230313 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 230313 - 21 = 230311 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230311) 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, 38383 + ... + 38388.

It is an arithmetic number, because the mean of its divisors is an integer number (76772).

2230313 is an apocalyptic number.

It is an amenable number.

230313 is a deficient number, since it is larger than the sum of its proper divisors (76775).

230313 is an equidigital number, since it uses as much as digits as its factorization.

230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76774.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 230313 is about 479.9093664433. The cubic root of 230313 is about 61.2970373098.

The spelling of 230313 in words is "two hundred thirty thousand, three hundred thirteen".

Divisors: 1 3 76771 230313