Search a number
-
+
113189 is a prime number
BaseRepresentation
bin11011101000100101
312202021012
4123220211
512110224
62232005
7650666
oct335045
9182235
10113189
117804a
1255605
133c69b
142d36d
152380e
hex1ba25

113189 has 2 divisors, whose sum is σ = 113190. Its totient is φ = 113188.

The previous prime is 113177. The next prime is 113209. The reversal of 113189 is 981311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93025 + 20164 = 305^2 + 142^2 .

It is an emirp because it is prime and its reverse (981311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113189 - 24 = 113173 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56594 + 56595.

It is an arithmetic number, because the mean of its divisors is an integer number (56595).

2113189 is an apocalyptic number.

It is an amenable number.

113189 is a deficient number, since it is larger than the sum of its proper divisors (1).

113189 is an equidigital number, since it uses as much as digits as its factorization.

113189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 23.

The square root of 113189 is about 336.4357293749. The cubic root of 113189 is about 48.3728201561.

The spelling of 113189 in words is "one hundred thirteen thousand, one hundred eighty-nine".