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230231 = 1729467
BaseRepresentation
bin111000001101010111
3102200211002
4320031113
524331411
64533515
71646141
oct701527
9380732
10230231
11147a81
12b129b
1380a41
145dc91
154833b
hex38357

230231 has 8 divisors (see below), whose sum is σ = 252720. Its totient is φ = 208768.

The previous prime is 230227. The next prime is 230233. The reversal of 230231 is 132032.

Adding to 230231 its reverse (132032), we get a palindrome (362263).

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

It is a cyclic number.

It is not a de Polignac number, because 230231 - 22 = 230227 is a prime.

It is a super-2 number, since 2×2302312 = 106012626722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 726.

It is an arithmetic number, because the mean of its divisors is an integer number (31590).

2230231 is an apocalyptic number.

230231 is a deficient number, since it is larger than the sum of its proper divisors (22489).

230231 is a wasteful number, since it uses less digits than its factorization.

230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 230231 is about 479.8239260395. The cubic root of 230231 is about 61.2897617707.

The spelling of 230231 in words is "two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 17 29 467 493 7939 13543 230231