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230563649 is a prime number
BaseRepresentation
bin11011011111000…
…01111101000001
3121001211211212102
431233201331001
5433011014044
634513440145
75466521141
oct1557417501
9531754772
10230563649
11109168978
1265270055
13389c89c4
142289a921
151539524e
hexdbe1f41

230563649 has 2 divisors, whose sum is σ = 230563650. Its totient is φ = 230563648.

The previous prime is 230563607. The next prime is 230563657. The reversal of 230563649 is 946365032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230280625 + 283024 = 15175^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 230563649 - 28 = 230563393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230563699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115281824 + 115281825.

It is an arithmetic number, because the mean of its divisors is an integer number (115281825).

Almost surely, 2230563649 is an apocalyptic number.

It is an amenable number.

230563649 is a deficient number, since it is larger than the sum of its proper divisors (1).

230563649 is an equidigital number, since it uses as much as digits as its factorization.

230563649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 230563649 is about 15184.3224741837. The cubic root of 230563649 is about 613.1926571334.

The spelling of 230563649 in words is "two hundred thirty million, five hundred sixty-three thousand, six hundred forty-nine".