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230275291 is a prime number
BaseRepresentation
bin11011011100110…
…11100011011011
3121001022012022111
431232123203123
5432422302131
634503333151
75464210351
oct1556334333
9531265274
10230275291
11108a91264
12651511b7
133892768c
14228237d1
1515339ab1
hexdb9b8db

230275291 has 2 divisors, whose sum is σ = 230275292. Its totient is φ = 230275290.

The previous prime is 230275273. The next prime is 230275313. The reversal of 230275291 is 192572032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230275291 - 211 = 230273243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230275211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115137645 + 115137646.

It is an arithmetic number, because the mean of its divisors is an integer number (115137646).

Almost surely, 2230275291 is an apocalyptic number.

230275291 is a deficient number, since it is larger than the sum of its proper divisors (1).

230275291 is an equidigital number, since it uses as much as digits as its factorization.

230275291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 230275291 is about 15174.8242493941. The cubic root of 230275291 is about 612.9369175230.

The spelling of 230275291 in words is "two hundred thirty million, two hundred seventy-five thousand, two hundred ninety-one".