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230830656 = 2637415971
BaseRepresentation
bin11011100001000…
…11001001000000
3121002100102010120
431300203021000
5433043040111
634523300240
75502012450
oct1560431100
9532312116
10230830656
11109330541
126537a680
1338a903b4
1422929d60
15153e9406
hexdc23240

230830656 has 224 divisors, whose sum is σ = 737372160. Its totient is φ = 62361600.

The previous prime is 230830631. The next prime is 230830661. The reversal of 230830656 is 656038032.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3251101 + ... + 3251171.

It is an arithmetic number, because the mean of its divisors is an integer number (3291840).

Almost surely, 2230830656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230830656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368686080).

230830656 is an abundant number, since it is smaller than the sum of its proper divisors (506541504).

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

230830656 is a wasteful number, since it uses less digits than its factorization.

230830656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 230830656 is about 15193.1121235907. The cubic root of 230830656 is about 613.4292708570.

Adding to 230830656 its reverse (656038032), we get a palindrome (886868688).

The spelling of 230830656 in words is "two hundred thirty million, eight hundred thirty thousand, six hundred fifty-six".