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118241 = 317373
BaseRepresentation
bin11100110111100001
320000012022
4130313201
512240431
62311225
71001504
oct346741
9200168
10118241
1180922
1258515
1341a86
143113b
152507b
hex1cde1

118241 has 4 divisors (see below), whose sum is σ = 118932. Its totient is φ = 117552.

The previous prime is 118219. The next prime is 118247. The reversal of 118241 is 142811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 30625 + 87616 = 175^2 + 296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-118241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118247) 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, 131 + ... + 503.

It is an arithmetic number, because the mean of its divisors is an integer number (29733).

2118241 is an apocalyptic number.

It is an amenable number.

118241 is a deficient number, since it is larger than the sum of its proper divisors (691).

118241 is an equidigital number, since it uses as much as digits as its factorization.

118241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 64, while the sum is 17.

The square root of 118241 is about 343.8618908806. The cubic root of 118241 is about 49.0820505070.

The spelling of 118241 in words is "one hundred eighteen thousand, two hundred forty-one".

Divisors: 1 317 373 118241