Search a number
230397 = 3611259
BaseRepresentation
bin111000001111111101
3102201001020
4320033331
524333042
64534353
71646466
oct701775
9381036
10230397
11148112
12b13b9
1380b3b
145dd6d
15483ec
hex383fd

230397 has 8 divisors (see below), whose sum is σ = 312480. Its totient is φ = 150960.

The previous prime is 230393. The next prime is 230431. The reversal of 230397 is 793032.

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

It is not a de Polignac number, because 230397 - 22 = 230393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230393) 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, 447 + ... + 812.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

230397 is a Friedman number, since it can be written as (30*(9+7))^2-3, using all its digits and the basic arithmetic operations.

2230397 is an apocalyptic number.

It is an amenable number.

230397 is a deficient number, since it is larger than the sum of its proper divisors (82083).

230397 is a wasteful number, since it uses less digits than its factorization.

230397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 230397 is about 479.9968749898. The cubic root of 230397 is about 61.3044885107.

The spelling of 230397 in words is "two hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 3 61 183 1259 3777 76799 230397