Search a number
-
+
118206241 is a prime number
BaseRepresentation
bin1110000101110…
…10111100100001
322020102111110221
413002322330201
5220230044431
615421323041
72633510416
oct702727441
9266374427
10118206241
11607a710a
1233706481
131b64962a
14119b010d
15a59e111
hex70baf21

118206241 has 2 divisors, whose sum is σ = 118206242. Its totient is φ = 118206240.

The previous prime is 118206211. The next prime is 118206247. The reversal of 118206241 is 142602811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97594641 + 20611600 = 9879^2 + 4540^2 .

It is a cyclic number.

It is not a de Polignac number, because 118206241 - 27 = 118206113 is a prime.

It is a super-2 number, since 2×1182062412 = 27945430822700162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118206247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59103120 + 59103121.

It is an arithmetic number, because the mean of its divisors is an integer number (59103121).

Almost surely, 2118206241 is an apocalyptic number.

It is an amenable number.

118206241 is a deficient number, since it is larger than the sum of its proper divisors (1).

118206241 is an equidigital number, since it uses as much as digits as its factorization.

118206241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 118206241 is about 10872.2693583263. The cubic root of 118206241 is about 490.7724052792.

The spelling of 118206241 in words is "one hundred eighteen million, two hundred six thousand, two hundred forty-one".