Search a number
-
+
117389 is a prime number
BaseRepresentation
bin11100101010001101
312222000202
4130222031
512224024
62303245
7666146
oct345215
9188022
10117389
1180218
1257b25
134157c
1430acd
1524bae
hex1ca8d

117389 has 2 divisors, whose sum is σ = 117390. Its totient is φ = 117388.

The previous prime is 117373. The next prime is 117413. The reversal of 117389 is 983711.

117389 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100489 + 16900 = 317^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 117389 - 24 = 117373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58694 + 58695.

It is an arithmetic number, because the mean of its divisors is an integer number (58695).

2117389 is an apocalyptic number.

It is an amenable number.

117389 is a deficient number, since it is larger than the sum of its proper divisors (1).

117389 is an equidigital number, since it uses as much as digits as its factorization.

117389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 117389 is about 342.6207816231. The cubic root of 117389 is about 48.9638773059.

The spelling of 117389 in words is "one hundred seventeen thousand, three hundred eighty-nine".