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230865 = 3515391
BaseRepresentation
bin111000010111010001
3102201200120
4320113101
524341430
64540453
71651035
oct702721
9381616
10230865
111484a8
12b1729
138110b
14601c5
1548610
hex385d1

230865 has 8 divisors (see below), whose sum is σ = 369408. Its totient is φ = 123120.

The previous prime is 230863. The next prime is 230873. The reversal of 230865 is 568032.

230865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 230865 - 21 = 230863 is a prime.

230865 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (230861) 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, 7681 + ... + 7710.

It is an arithmetic number, because the mean of its divisors is an integer number (46176).

2230865 is an apocalyptic number.

It is an amenable number.

230865 is a deficient number, since it is larger than the sum of its proper divisors (138543).

230865 is a wasteful number, since it uses less digits than its factorization.

230865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 230865 is about 480.4841308514. The cubic root of 230865 is about 61.3459692250.

Adding to 230865 its reverse (568032), we get a palindrome (798897).

The spelling of 230865 in words is "two hundred thirty thousand, eight hundred sixty-five".

Divisors: 1 3 5 15 15391 46173 76955 230865