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230467187 is a prime number
BaseRepresentation
bin11011011110010…
…10011001110011
3121001122221112202
431233022121303
5432444422222
634511413415
75465636666
oct1557123163
9531587482
10230467187
11109102455
126522426b
1338993b22
14228736dd
1515376892
hexdbca673

230467187 has 2 divisors, whose sum is σ = 230467188. Its totient is φ = 230467186.

The previous prime is 230467141. The next prime is 230467213. The reversal of 230467187 is 781764032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230467187 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230467187.

It is not a weakly prime, because it can be changed into another prime (230467987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115233593 + 115233594.

It is an arithmetic number, because the mean of its divisors is an integer number (115233594).

Almost surely, 2230467187 is an apocalyptic number.

230467187 is a deficient number, since it is larger than the sum of its proper divisors (1).

230467187 is an equidigital number, since it uses as much as digits as its factorization.

230467187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 230467187 is about 15181.1457736233. The cubic root of 230467187 is about 613.1071304380.

The spelling of 230467187 in words is "two hundred thirty million, four hundred sixty-seven thousand, one hundred eighty-seven".