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230455633 is a prime number
BaseRepresentation
bin11011011110001…
…11100101010001
3121001122100200211
431233013211101
5432444040013
634511244121
75465561212
oct1557074521
9531570624
10230455633
111090a4801
1265219641
133898b7a5
142286d409
151537323d
hexdbc7951

230455633 has 2 divisors, whose sum is σ = 230455634. Its totient is φ = 230455632.

The previous prime is 230455609. The next prime is 230455649. The reversal of 230455633 is 336554032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221652544 + 8803089 = 14888^2 + 2967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230455633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230455595 and 230455604.

It is not a weakly prime, because it can be changed into another prime (230455733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115227816 + 115227817.

It is an arithmetic number, because the mean of its divisors is an integer number (115227817).

Almost surely, 2230455633 is an apocalyptic number.

It is an amenable number.

230455633 is a deficient number, since it is larger than the sum of its proper divisors (1).

230455633 is an equidigital number, since it uses as much as digits as its factorization.

230455633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 230455633 is about 15180.7652310415. The cubic root of 230455633 is about 613.0968846437.

The spelling of 230455633 in words is "two hundred thirty million, four hundred fifty-five thousand, six hundred thirty-three".