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230636 = 2278237
BaseRepresentation
bin111000010011101100
3102201101002
4320103230
524340021
64535432
71650260
oct702354
9381332
10230636
1114830a
12b1578
1380c93
14600a0
154850b
hex384ec

230636 has 12 divisors (see below), whose sum is σ = 461328. Its totient is φ = 98832.

The previous prime is 230611. The next prime is 230647. The reversal of 230636 is 636032.

It is a happy number.

230636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

230636 is an admirable number.

It is an unprimeable number.

230636 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4091 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (38444).

2230636 is an apocalyptic number.

It is an amenable number.

230636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230636 is a wasteful number, since it uses less digits than its factorization.

230636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248 (or 8246 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 230636 is about 480.2457704134. The cubic root of 230636 is about 61.3256790490.

Adding to 230636 its reverse (636032), we get a palindrome (866668).

The spelling of 230636 in words is "two hundred thirty thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 8237 16474 32948 57659 115318 230636