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164589017 is a prime number
BaseRepresentation
bin10011100111101…
…10110111011001
3102110200222200112
421303312313121
5314113322032
624155414105
74035661235
oct1163666731
9373628615
10164589017
11849a718a
1247154335
1328139468
1417c055c5
15e6b21b2
hex9cf6dd9

164589017 has 2 divisors, whose sum is σ = 164589018. Its totient is φ = 164589016.

The previous prime is 164588981. The next prime is 164589071. The reversal of 164589017 is 710985461.

Together with next prime (164589071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164583241 + 5776 = 12829^2 + 76^2 .

It is an emirp because it is prime and its reverse (710985461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164589017 - 216 = 164523481 is a prime.

It is not a weakly prime, because it can be changed into another prime (164582017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82294508 + 82294509.

It is an arithmetic number, because the mean of its divisors is an integer number (82294509).

Almost surely, 2164589017 is an apocalyptic number.

It is an amenable number.

164589017 is a deficient number, since it is larger than the sum of its proper divisors (1).

164589017 is an equidigital number, since it uses as much as digits as its factorization.

164589017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 164589017 is about 12829.2251129988. The cubic root of 164589017 is about 548.0248903128.

The spelling of 164589017 in words is "one hundred sixty-four million, five hundred eighty-nine thousand, seventeen".