Search a number
-
+
118133 = 176949
BaseRepresentation
bin11100110101110101
320000001022
4130311311
512240013
62310525
71001261
oct346565
9200038
10118133
1180834
1258445
1341a02
14310a1
1525008
hex1cd75

118133 has 4 divisors (see below), whose sum is σ = 125100. Its totient is φ = 111168.

The previous prime is 118127. The next prime is 118147. The reversal of 118133 is 331811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331811 = 449739.

It can be written as a sum of positive squares in 2 ways, for example, as 97969 + 20164 = 313^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 118133 - 28 = 117877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6949 = 118133 / (1 + 1 + 8 + 1 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (31275).

2118133 is an apocalyptic number.

It is an amenable number.

118133 is a deficient number, since it is larger than the sum of its proper divisors (6967).

118133 is an equidigital number, since it uses as much as digits as its factorization.

118133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966.

The product of its digits is 72, while the sum is 17.

The square root of 118133 is about 343.7048152121. The cubic root of 118133 is about 49.0671022905.

Adding to 118133 its reverse (331811), we get a palindrome (449944).

The spelling of 118133 in words is "one hundred eighteen thousand, one hundred thirty-three".

Divisors: 1 17 6949 118133