Search a number
-
+
186013 is a prime number
BaseRepresentation
bin101101011010011101
3100110011101
4231122131
521423023
63553101
71403212
oct553235
9313141
10186013
11117833
128b791
1366889
144bb09
153a1ad
hex2d69d

186013 has 2 divisors, whose sum is σ = 186014. Its totient is φ = 186012.

The previous prime is 186007. The next prime is 186019. The reversal of 186013 is 310681.

It is a balanced prime because it is at equal distance from previous prime (186007) and next prime (186019).

It can be written as a sum of positive squares in only one way, i.e., 127449 + 58564 = 357^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 186013 - 217 = 54941 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186019) 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 as a sum of consecutive naturals, namely, 93006 + 93007.

It is an arithmetic number, because the mean of its divisors is an integer number (93007).

2186013 is an apocalyptic number.

It is an amenable number.

186013 is a deficient number, since it is larger than the sum of its proper divisors (1).

186013 is an equidigital number, since it uses as much as digits as its factorization.

186013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 186013 is about 431.2922443077. The cubic root of 186013 is about 57.0840045860.

Adding to 186013 its reverse (310681), we get a palindrome (496694).

The spelling of 186013 in words is "one hundred eighty-six thousand, thirteen".