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164233 is a prime number
BaseRepresentation
bin101000000110001001
322100021201
4220012021
520223413
63304201
71252546
oct500611
9270251
10164233
11102433
127b061
13599a4
1443bcd
15339dd
hex28189

164233 has 2 divisors, whose sum is σ = 164234. Its totient is φ = 164232.

The previous prime is 164231. The next prime is 164239. The reversal of 164233 is 332461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150544 + 13689 = 388^2 + 117^2 .

It is an emirp because it is prime and its reverse (332461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164233 - 21 = 164231 is a prime.

Together with 164231, it forms a pair of twin primes.

164233 is a lucky number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 164233.

It is not a weakly prime, because it can be changed into another prime (164231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82116 + 82117.

It is an arithmetic number, because the mean of its divisors is an integer number (82117).

2164233 is an apocalyptic number.

It is an amenable number.

164233 is a deficient number, since it is larger than the sum of its proper divisors (1).

164233 is an equidigital number, since it uses as much as digits as its factorization.

164233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 164233 is about 405.2567087662. The cubic root of 164233 is about 54.7629466961.

Adding to 164233 its reverse (332461), we get a palindrome (496694).

The spelling of 164233 in words is "one hundred sixty-four thousand, two hundred thirty-three".