Search a number
-
+
117943 = 722983
BaseRepresentation
bin11100110010110111
312222210021
4130302313
512233233
62310011
71000600
oct346267
9188707
10117943
1180681
1258307
13418b7
1430da7
1524e2d
hex1ccb7

117943 has 12 divisors (see below), whose sum is σ = 143640. Its totient is φ = 96432.

The previous prime is 117937. The next prime is 117959. The reversal of 117943 is 349711.

It is not a de Polignac number, because 117943 - 25 = 117911 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 9 + 76 + 44 + 33 .

Its product of digits (756) is a multiple of the sum of its prime factors (126).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117973) 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 11 ways as a sum of consecutive naturals, for example, 1380 + ... + 1462.

It is an arithmetic number, because the mean of its divisors is an integer number (11970).

2117943 is an apocalyptic number.

117943 is a deficient number, since it is larger than the sum of its proper divisors (25697).

117943 is an equidigital number, since it uses as much as digits as its factorization.

117943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 119 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 117943 is about 343.4283040170. The cubic root of 117943 is about 49.0407823742.

The spelling of 117943 in words is "one hundred seventeen thousand, nine hundred forty-three".

Divisors: 1 7 29 49 83 203 581 1421 2407 4067 16849 117943