Search a number
-
+
164195 = 532839
BaseRepresentation
bin101000000101100011
322100020022
4220011203
520223240
63304055
71252463
oct500543
9270208
10164195
111023a9
127b02b
1359975
1443ba3
15339b5
hex28163

164195 has 4 divisors (see below), whose sum is σ = 197040. Its totient is φ = 131352.

The previous prime is 164191. The next prime is 164201. The reversal of 164195 is 591461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 591461 = 1345497.

It is a cyclic number.

It is not a de Polignac number, because 164195 - 22 = 164191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16415 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (49260).

2164195 is an apocalyptic number.

164195 is a deficient number, since it is larger than the sum of its proper divisors (32845).

164195 is an equidigital number, since it uses as much as digits as its factorization.

164195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32844.

The product of its digits is 1080, while the sum is 26.

The square root of 164195 is about 405.2098221909. The cubic root of 164195 is about 54.7587227125.

The spelling of 164195 in words is "one hundred sixty-four thousand, one hundred ninety-five".

Divisors: 1 5 32839 164195