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230630241 = 3626912263
BaseRepresentation
bin11011011111100…
…10001101100001
3121001222020012210
431233302031201
5433020131431
634515112333
75500216242
oct1557621541
9531866183
10230630241
11109203a06
12652a26a9
1338a200ca
14228b6cc9
15153a9d46
hexdbf2361

230630241 has 8 divisors (see below), whose sum is σ = 307581120. Its totient is φ = 153716432.

The previous prime is 230630237. The next prime is 230630249. The reversal of 230630241 is 142036032.

It is a happy number.

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 230630241 - 22 = 230630237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230630249) 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, 12676 + ... + 24938.

It is an arithmetic number, because the mean of its divisors is an integer number (38447640).

Almost surely, 2230630241 is an apocalyptic number.

It is an amenable number.

230630241 is a deficient number, since it is larger than the sum of its proper divisors (76950879).

230630241 is a wasteful number, since it uses less digits than its factorization.

230630241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 230630241 is about 15186.5151038676. The cubic root of 230630241 is about 613.2516860899.

Adding to 230630241 its reverse (142036032), we get a palindrome (372666273).

The spelling of 230630241 in words is "two hundred thirty million, six hundred thirty thousand, two hundred forty-one".

Divisors: 1 3 6269 12263 18807 36789 76876747 230630241