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230439 = 3116983
BaseRepresentation
bin111000010000100111
3102201002210
4320100213
524333224
64534503
71646556
oct702047
9381083
10230439
11148150
12b1433
1380b71
145dd9d
1548429
hex38427

230439 has 8 divisors (see below), whose sum is σ = 335232. Its totient is φ = 139640.

The previous prime is 230431. The next prime is 230449. The reversal of 230439 is 934032.

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 230439 - 23 = 230431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230431) 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, 3459 + ... + 3524.

It is an arithmetic number, because the mean of its divisors is an integer number (41904).

2230439 is an apocalyptic number.

230439 is a deficient number, since it is larger than the sum of its proper divisors (104793).

230439 is a wasteful number, since it uses less digits than its factorization.

230439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 230439 is about 480.0406232810. The cubic root of 230439 is about 61.3082134320.

The spelling of 230439 in words is "two hundred thirty thousand, four hundred thirty-nine".

Divisors: 1 3 11 33 6983 20949 76813 230439