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230593 = 1120963
BaseRepresentation
bin111000010011000001
3102201022111
4320103001
524334333
64535321
71650166
oct702301
9381274
10230593
11148280
12b1541
1380c5c
146006d
15484cd
hex384c1

230593 has 4 divisors (see below), whose sum is σ = 251568. Its totient is φ = 209620.

The previous prime is 230567. The next prime is 230597. The reversal of 230593 is 395032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230593 - 25 = 230561 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10471 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (62892).

2230593 is an apocalyptic number.

It is an amenable number.

230593 is a deficient number, since it is larger than the sum of its proper divisors (20975).

230593 is a wasteful number, since it uses less digits than its factorization.

230593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20974.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 230593 is about 480.2009995825. The cubic root of 230593 is about 61.3218676057.

The spelling of 230593 in words is "two hundred thirty thousand, five hundred ninety-three".

Divisors: 1 11 20963 230593