Search a number
-
+
11185249 is a prime number
BaseRepresentation
bin101010101010…
…110001100001
3210001021021111
4222222301201
510330411444
61035423321
7164034025
oct52526141
923037244
1011185249
11634a709
1238b4b41
1324181ba
1416b2385
15eae234
hexaaac61

11185249 has 2 divisors, whose sum is σ = 11185250. Its totient is φ = 11185248.

The previous prime is 11185247. The next prime is 11185261. The reversal of 11185249 is 94258111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6411024 + 4774225 = 2532^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 11185249 - 21 = 11185247 is a prime.

Together with 11185247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11185249.

It is not a weakly prime, because it can be changed into another prime (11185241) 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, 5592624 + 5592625.

It is an arithmetic number, because the mean of its divisors is an integer number (5592625).

Almost surely, 211185249 is an apocalyptic number.

It is an amenable number.

11185249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11185249 is an equidigital number, since it uses as much as digits as its factorization.

11185249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 31.

The square root of 11185249 is about 3344.4355278582. The cubic root of 11185249 is about 223.6395203778.

The spelling of 11185249 in words is "eleven million, one hundred eighty-five thousand, two hundred forty-nine".