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230253293 is a prime number
BaseRepresentation
bin11011011100101…
…10001011101101
3121001021002010202
431232112023231
5432421101133
634503043245
75464056254
oct1556261355
9531232122
10230253293
11108a76786
1265140525
133891a66a
142281979b
15153332e8
hexdb962ed

230253293 has 2 divisors, whose sum is σ = 230253294. Its totient is φ = 230253292.

The previous prime is 230253281. The next prime is 230253313. The reversal of 230253293 is 392352032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221473924 + 8779369 = 14882^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 230253293 - 24 = 230253277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230253263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115126646 + 115126647.

It is an arithmetic number, because the mean of its divisors is an integer number (115126647).

Almost surely, 2230253293 is an apocalyptic number.

It is an amenable number.

230253293 is a deficient number, since it is larger than the sum of its proper divisors (1).

230253293 is an equidigital number, since it uses as much as digits as its factorization.

230253293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 230253293 is about 15174.0994131448. The cubic root of 230253293 is about 612.9173991231.

The spelling of 230253293 in words is "two hundred thirty million, two hundred fifty-three thousand, two hundred ninety-three".