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6812 = 2213131
BaseRepresentation
bin1101010011100
3100100022
41222130
5204222
651312
725601
oct15234
910308
106812
115133
123b38
133140
1426a8
152042
hex1a9c

6812 has 12 divisors (see below), whose sum is σ = 12936. Its totient is φ = 3120.

The previous prime is 6803. The next prime is 6823. The reversal of 6812 is 2186.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 117.

It is an arithmetic number, because the mean of its divisors is an integer number (1078).

26812 is an apocalyptic number.

It is an amenable number.

6812 is a deficient number, since it is larger than the sum of its proper divisors (6124).

6812 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (6811) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (146).

6812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 146 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 6812 is about 82.5348411279. The cubic root of 6812 is about 18.9565025269.

Adding to 6812 its reverse (2186), we get a palindrome (8998).

It can be divided in two parts, 6 and 812, that added together give a palindrome (818).

The spelling of 6812 in words is "six thousand, eight hundred twelve".

Divisors: 1 2 4 13 26 52 131 262 524 1703 3406 6812