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6836 = 221709
BaseRepresentation
bin1101010110100
3100101012
41222310
5204321
651352
725634
oct15264
910335
106836
115155
123b58
13315b
1426c4
15205b
hex1ab4

6836 has 6 divisors (see below), whose sum is σ = 11970. Its totient is φ = 3416.

The previous prime is 6833. The next prime is 6841. The reversal of 6836 is 6386.

It can be written as a sum of positive squares in only one way, i.e., 4900 + 1936 = 70^2 + 44^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851 + ... + 858.

It is an arithmetic number, because the mean of its divisors is an integer number (1995).

26836 is an apocalyptic number.

It is an amenable number.

6836 is a deficient number, since it is larger than the sum of its proper divisors (5134).

6836 is a wasteful number, since it uses less digits than its factorization.

6836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1711 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 6836 is about 82.6801064344. The cubic root of 6836 is about 18.9787389138.

Adding to 6836 its sum of digits (23), we get a cube (6859 = 193).

The spelling of 6836 in words is "six thousand, eight hundred thirty-six".

Divisors: 1 2 4 1709 3418 6836