Search a number
-
+
117851 is a prime number
BaseRepresentation
bin11100110001011011
312222122212
4130301123
512232401
62305335
71000406
oct346133
9188585
10117851
11805a8
125824b
1341846
1430d3d
1524dbb
hex1cc5b

117851 has 2 divisors, whose sum is σ = 117852. Its totient is φ = 117850.

The previous prime is 117841. The next prime is 117877. The reversal of 117851 is 158711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117851 - 26 = 117787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58925 + 58926.

It is an arithmetic number, because the mean of its divisors is an integer number (58926).

2117851 is an apocalyptic number.

117851 is a deficient number, since it is larger than the sum of its proper divisors (1).

117851 is an equidigital number, since it uses as much as digits as its factorization.

117851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 23.

The square root of 117851 is about 343.2943343546. The cubic root of 117851 is about 49.0280278357.

The spelling of 117851 in words is "one hundred seventeen thousand, eight hundred fifty-one".