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113149 is a prime number
BaseRepresentation
bin11011100111111101
312202012201
4123213331
512110044
62231501
7650611
oct334775
9182181
10113149
1178013
1255591
133c66a
142d341
15237d4
hex1b9fd

113149 has 2 divisors, whose sum is σ = 113150. Its totient is φ = 113148.

The previous prime is 113147. The next prime is 113153. The reversal of 113149 is 941311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 13924 = 315^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 113149 - 21 = 113147 is a prime.

Together with 113147, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56574 + 56575.

It is an arithmetic number, because the mean of its divisors is an integer number (56575).

2113149 is an apocalyptic number.

It is an amenable number.

113149 is a deficient number, since it is larger than the sum of its proper divisors (1).

113149 is an equidigital number, since it uses as much as digits as its factorization.

113149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

The square root of 113149 is about 336.3762774037. The cubic root of 113149 is about 48.3671213079.

It can be divided in two parts, 113 and 149, that added together give a palindrome (262).

The spelling of 113149 in words is "one hundred thirteen thousand, one hundred forty-nine".