Search a number
-
+
117169 = 139013
BaseRepresentation
bin11100100110110001
312221201121
4130212301
512222134
62302241
7665413
oct344661
9187647
10117169
1180038
1257981
1341440
14309b3
1524ab4
hex1c9b1

117169 has 4 divisors (see below), whose sum is σ = 126196. Its totient is φ = 108144.

The previous prime is 117167. The next prime is 117191. The reversal of 117169 is 961711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 961711 = 1039337.

It can be written as a sum of positive squares in 2 ways, for example, as 34225 + 82944 = 185^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 117169 - 21 = 117167 is a prime.

It is a super-2 number, since 2×1171692 = 27457149122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4494 + ... + 4519.

It is an arithmetic number, because the mean of its divisors is an integer number (31549).

2117169 is an apocalyptic number.

It is an amenable number.

117169 is a deficient number, since it is larger than the sum of its proper divisors (9027).

117169 is an equidigital number, since it uses as much as digits as its factorization.

117169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026.

The product of its digits is 378, while the sum is 25.

The square root of 117169 is about 342.2995763947. The cubic root of 117169 is about 48.9332702662.

The spelling of 117169 in words is "one hundred seventeen thousand, one hundred sixty-nine".

Divisors: 1 13 9013 117169