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230633 = 13113157
BaseRepresentation
bin111000010011101001
3102201100222
4320103221
524340013
64535425
71650254
oct702351
9381328
10230633
11148307
12b1575
1380c90
146009b
1548508
hex384e9

230633 has 8 divisors (see below), whose sum is σ = 252168. Its totient is φ = 209664.

The previous prime is 230611. The next prime is 230647. The reversal of 230633 is 336032.

230633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12544 + 218089 = 112^2 + 467^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-230633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230653) 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, 1391 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (31521).

2230633 is an apocalyptic number.

It is an amenable number.

230633 is a deficient number, since it is larger than the sum of its proper divisors (21535).

230633 is a wasteful number, since it uses less digits than its factorization.

230633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 230633 is about 480.2426470025. The cubic root of 230633 is about 61.3254131497.

Adding to 230633 its reverse (336032), we get a palindrome (566665).

The spelling of 230633 in words is "two hundred thirty thousand, six hundred thirty-three".

Divisors: 1 13 113 157 1469 2041 17741 230633