Search a number
-
+
117834161 is a prime number
BaseRepresentation
bin1110000011000…
…00000110110001
322012201121002012
413001200012301
5220131143121
615405332305
72630400554
oct701400661
9265647065
10117834161
1160572605
1233567095
131b549173
141191469b
15a528c5b
hex70601b1

117834161 has 2 divisors, whose sum is σ = 117834162. Its totient is φ = 117834160.

The previous prime is 117834149. The next prime is 117834169. The reversal of 117834161 is 161438711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117831025 + 3136 = 10855^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 117834161 - 26 = 117834097 is a prime.

It is not a weakly prime, because it can be changed into another prime (117834169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58917080 + 58917081.

It is an arithmetic number, because the mean of its divisors is an integer number (58917081).

Almost surely, 2117834161 is an apocalyptic number.

It is an amenable number.

117834161 is a deficient number, since it is larger than the sum of its proper divisors (1).

117834161 is an equidigital number, since it uses as much as digits as its factorization.

117834161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 117834161 is about 10855.1444486013. The cubic root of 117834161 is about 490.2569262068.

The spelling of 117834161 in words is "one hundred seventeen million, eight hundred thirty-four thousand, one hundred sixty-one".