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230317 = 1092113
BaseRepresentation
bin111000001110101101
3102200221021
4320032231
524332232
64534141
71646323
oct701655
9380837
10230317
1114804a
12b1351
1380aa9
145dd13
1548397
hex383ad

230317 has 4 divisors (see below), whose sum is σ = 232540. Its totient is φ = 228096.

The previous prime is 230311. The next prime is 230327. The reversal of 230317 is 713032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54756 + 175561 = 234^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 230317 - 23 = 230309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230317.

It is a congruent 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, 948 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (58135).

2230317 is an apocalyptic number.

It is an amenable number.

230317 is a deficient number, since it is larger than the sum of its proper divisors (2223).

230317 is a wasteful number, since it uses less digits than its factorization.

230317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 230317 is about 479.9135338788. The cubic root of 230317 is about 61.2973921700.

Adding to 230317 its reverse (713032), we get a palindrome (943349).

The spelling of 230317 in words is "two hundred thirty thousand, three hundred seventeen".

Divisors: 1 109 2113 230317