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230161517 is a prime number
BaseRepresentation
bin11011011011111…
…11110001101101
3121001002102020122
431231333301231
5432410132032
634501054325
75463224555
oct1555776155
9531072218
10230161517
11108a13833
12650b73a5
13388b7961
14227d4165
1515316012
hexdb7fc6d

230161517 has 2 divisors, whose sum is σ = 230161518. Its totient is φ = 230161516.

The previous prime is 230161501. The next prime is 230161531. The reversal of 230161517 is 715161032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229189321 + 972196 = 15139^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 230161517 - 24 = 230161501 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 (230161597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115080758 + 115080759.

It is an arithmetic number, because the mean of its divisors is an integer number (115080759).

Almost surely, 2230161517 is an apocalyptic number.

It is an amenable number.

230161517 is a deficient number, since it is larger than the sum of its proper divisors (1).

230161517 is an equidigital number, since it uses as much as digits as its factorization.

230161517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 230161517 is about 15171.0750113497. The cubic root of 230161517 is about 612.8359546382.

The spelling of 230161517 in words is "two hundred thirty million, one hundred sixty-one thousand, five hundred seventeen".