Search a number
-
+
8836813 is a prime number
BaseRepresentation
bin100001101101…
…011011001101
3121121221211101
4201231123031
54230234223
6513223101
7135053206
oct41553315
917557741
108836813
114a96257
122b61a91
131aa52ab
1412605ad
15b984ad
hex86d6cd

8836813 has 2 divisors, whose sum is σ = 8836814. Its totient is φ = 8836812.

The previous prime is 8836811. The next prime is 8836819. The reversal of 8836813 is 3186388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4848804 + 3988009 = 2202^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 8836813 - 21 = 8836811 is a prime.

Together with 8836811, it forms a pair of twin primes.

8836813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8836811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4418406 + 4418407.

It is an arithmetic number, because the mean of its divisors is an integer number (4418407).

Almost surely, 28836813 is an apocalyptic number.

It is an amenable number.

8836813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8836813 is an equidigital number, since it uses as much as digits as its factorization.

8836813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 8836813 is about 2972.6777491010. The cubic root of 8836813 is about 206.7435114279.

The spelling of 8836813 in words is "eight million, eight hundred thirty-six thousand, eight hundred thirteen".