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6808812 = 223567401
BaseRepresentation
bin11001111110010011101100
3110210220221020
4121332103230
53220340222
6401534140
7111605523
oct31762354
913726836
106808812
11393061a
122344350
1315451aa
14c934ba
158e765c
hex67e4ec

6808812 has 12 divisors (see below), whose sum is σ = 15887256. Its totient is φ = 2269600.

The previous prime is 6808811. The next prime is 6808817. The reversal of 6808812 is 2188086.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6808811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283689 + ... + 283712.

It is an arithmetic number, because the mean of its divisors is an integer number (1323938).

Almost surely, 26808812 is an apocalyptic number.

It is an amenable number.

6808812 is an abundant number, since it is smaller than the sum of its proper divisors (9078444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6808812 is a wasteful number, since it uses less digits than its factorization.

6808812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567408 (or 567406 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 6808812 is about 2609.3700389174. The cubic root of 6808812 is about 189.5354486586.

The spelling of 6808812 in words is "six million, eight hundred eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 567401 1134802 1702203 2269604 3404406 6808812