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230152217 is a prime number
BaseRepresentation
bin11011011011111…
…01100000011001
3121001001221111012
431231331200121
5432404332332
634500543305
75463155501
oct1555754031
9531057435
10230152217
11108a07849
12650b1b35
13388b3659
14227d0a01
15153133b2
hexdb7d819

230152217 has 2 divisors, whose sum is σ = 230152218. Its totient is φ = 230152216.

The previous prime is 230152189. The next prime is 230152249. The reversal of 230152217 is 712251032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121242121 + 108910096 = 11011^2 + 10436^2 .

It is a cyclic number.

It is not a de Polignac number, because 230152217 - 214 = 230135833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230152192 and 230152201.

It is not a weakly prime, because it can be changed into another prime (230152267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115076108 + 115076109.

It is an arithmetic number, because the mean of its divisors is an integer number (115076109).

Almost surely, 2230152217 is an apocalyptic number.

It is an amenable number.

230152217 is a deficient number, since it is larger than the sum of its proper divisors (1).

230152217 is an equidigital number, since it uses as much as digits as its factorization.

230152217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 230152217 is about 15170.7685039355. The cubic root of 230152217 is about 612.8277003606.

The spelling of 230152217 in words is "two hundred thirty million, one hundred fifty-two thousand, two hundred seventeen".