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230690501 is a prime number
BaseRepresentation
bin11011100000000…
…00111011000101
3121002002021212122
431300000323011
5433024044001
634520255325
75500560026
oct1560007305
9532067778
10230690501
11109245208
1265311545
1338a41672
14228d0c4d
15153bcb1b
hexdc00ec5

230690501 has 2 divisors, whose sum is σ = 230690502. Its totient is φ = 230690500.

The previous prime is 230690497. The next prime is 230690519. The reversal of 230690501 is 105096032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230584225 + 106276 = 15185^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 230690501 - 22 = 230690497 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230690101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115345250 + 115345251.

It is an arithmetic number, because the mean of its divisors is an integer number (115345251).

Almost surely, 2230690501 is an apocalyptic number.

It is an amenable number.

230690501 is a deficient number, since it is larger than the sum of its proper divisors (1).

230690501 is an equidigital number, since it uses as much as digits as its factorization.

230690501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 230690501 is about 15188.4989712611. The cubic root of 230690501 is about 613.3050923972.

The spelling of 230690501 in words is "two hundred thirty million, six hundred ninety thousand, five hundred one".