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6806838 = 238871279
BaseRepresentation
bin11001111101110100110110
3110210211020010
4121331310312
53220304323
6401521050
7111600003
oct31756466
913724203
106806838
11392a095
122343186
13154431c
14c928aa
158e6c93
hex67dd36

6806838 has 16 divisors (see below), whose sum is σ = 13639680. Its totient is φ = 2264616.

The previous prime is 6806837. The next prime is 6806893. The reversal of 6806838 is 8386086.

It is a junction number, because it is equal to n+sod(n) for n = 6806796 and 6806805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6806831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4683 + ... + 5961.

It is an arithmetic number, because the mean of its divisors is an integer number (852480).

Almost surely, 26806838 is an apocalyptic number.

6806838 is an abundant number, since it is smaller than the sum of its proper divisors (6832842).

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

6806838 is a wasteful number, since it uses less digits than its factorization.

6806838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 6806838 is about 2608.9917592817. The cubic root of 6806838 is about 189.5171302824.

The spelling of 6806838 in words is "six million, eight hundred six thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 887 1279 1774 2558 2661 3837 5322 7674 1134473 2268946 3403419 6806838