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6851828 = 227921683
BaseRepresentation
bin11010001000110011110100
3110220002221102
4122020303310
53223224303
6402505232
7112145114
oct32106364
913802842
106851828
11395a975
122365218
13155b949
14ca5044
15905288
hex688cf4

6851828 has 12 divisors (see below), whose sum is σ = 12143040. Its totient is φ = 3382392.

The previous prime is 6851827. The next prime is 6851839. The reversal of 6851828 is 8281586.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6851791 and 6851800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851821) 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 3 ways as a sum of consecutive naturals, for example, 10526 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (1011920).

Almost surely, 26851828 is an apocalyptic number.

It is an amenable number.

6851828 is a deficient number, since it is larger than the sum of its proper divisors (5291212).

6851828 is a wasteful number, since it uses less digits than its factorization.

6851828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21766 (or 21764 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 6851828 is about 2617.5996638142. The cubic root of 6851828 is about 189.9337534514.

The spelling of 6851828 in words is "six million, eight hundred fifty-one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 79 158 316 21683 43366 86732 1712957 3425914 6851828