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230809597 is a prime number
BaseRepresentation
bin11011100000111…
…01111111111101
3121002022100020121
431300131333331
5433041401342
634523014541
75501564164
oct1560357775
9532270217
10230809597
11109316737
126536a451
1338a83935
14229223db
15153e3067
hexdc1dffd

230809597 has 2 divisors, whose sum is σ = 230809598. Its totient is φ = 230809596.

The previous prime is 230809559. The next prime is 230809609. The reversal of 230809597 is 795908032.

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., 195692121 + 35117476 = 13989^2 + 5926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230809597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230809547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115404798 + 115404799.

It is an arithmetic number, because the mean of its divisors is an integer number (115404799).

Almost surely, 2230809597 is an apocalyptic number.

It is an amenable number.

230809597 is a deficient number, since it is larger than the sum of its proper divisors (1).

230809597 is an equidigital number, since it uses as much as digits as its factorization.

230809597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 230809597 is about 15192.4190634671. The cubic root of 230809597 is about 613.4106156227.

The spelling of 230809597 in words is "two hundred thirty million, eight hundred nine thousand, five hundred ninety-seven".