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230917969 is a prime number
BaseRepresentation
bin11011100001110…
…00011101010001
3121002111211220101
431300320131101
5433103333334
634525212401
75502525142
oct1560703521
9532454811
10230917969
111093900a7
1265401101
1338ac1069
142294dac9
1515415214
hexdc38751

230917969 has 2 divisors, whose sum is σ = 230917970. Its totient is φ = 230917968.

The previous prime is 230917961. The next prime is 230917991. The reversal of 230917969 is 969719032.

230917969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215707969 + 15210000 = 14687^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 230917969 - 23 = 230917961 is a prime.

It is a super-2 number, since 2×2309179692 = 106646216814169922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230917961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115458984 + 115458985.

It is an arithmetic number, because the mean of its divisors is an integer number (115458985).

Almost surely, 2230917969 is an apocalyptic number.

It is an amenable number.

230917969 is a deficient number, since it is larger than the sum of its proper divisors (1).

230917969 is an equidigital number, since it uses as much as digits as its factorization.

230917969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 230917969 is about 15195.9852921750. The cubic root of 230917969 is about 613.5066054697.

The spelling of 230917969 in words is "two hundred thirty million, nine hundred seventeen thousand, nine hundred sixty-nine".