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230399 = 1337479
BaseRepresentation
bin111000001111111111
3102201001022
4320033333
524333044
64534355
71646501
oct701777
9381038
10230399
11148114
12b13bb
1380b40
145dd71
15483ee
hex383ff

230399 has 8 divisors (see below), whose sum is σ = 255360. Its totient is φ = 206496.

The previous prime is 230393. The next prime is 230431. The reversal of 230399 is 993032.

It is a Cunningham number, because it is equal to 4802-1.

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 230399 - 24 = 230383 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2230399 is an apocalyptic number.

230399 is a deficient number, since it is larger than the sum of its proper divisors (24961).

230399 is a wasteful number, since it uses less digits than its factorization.

230399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 230399 is about 479.9989583322. The cubic root of 230399 is about 61.3046658981.

The spelling of 230399 in words is "two hundred thirty thousand, three hundred ninety-nine".

Divisors: 1 13 37 479 481 6227 17723 230399