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6828668 = 2271122171
BaseRepresentation
bin11010000011001001111100
3110211221011122
4122003021330
53222004133
6402210112
7112020440
oct32031174
913757148
106828668
113944530
122353938
131551242
14c9a820
158ed498
hex68327c

6828668 has 24 divisors (see below), whose sum is σ = 14899584. Its totient is φ = 2660400.

The previous prime is 6828667. The next prime is 6828727. The reversal of 6828668 is 8668286.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10778 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (620816).

Almost surely, 26828668 is an apocalyptic number.

It is an amenable number.

6828668 is an abundant number, since it is smaller than the sum of its proper divisors (8070916).

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

6828668 is a wasteful number, since it uses less digits than its factorization.

6828668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193 (or 22191 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 6828668 is about 2613.1720188308. The cubic root of 6828668 is about 189.7195122645.

The spelling of 6828668 in words is "six million, eight hundred twenty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 22171 44342 88684 155197 243881 310394 487762 620788 975524 1707167 3414334 6828668