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6828740 = 2251073191
BaseRepresentation
bin11010000011001011000100
3110211221021022
4122003023010
53222004430
6402210312
7112020602
oct32031304
913757238
106828740
113944596
122353998
131551299
14c9a872
158ed4e5
hex6832c4

6828740 has 24 divisors (see below), whose sum is σ = 14478912. Its totient is φ = 2705120.

The previous prime is 6828739. The next prime is 6828743. The reversal of 6828740 is 478286.

It is a self number, because there is not a number n which added to its sum of digits gives 6828740.

It is not an unprimeable number, because it can be changed into a prime (6828743) 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, 545 + ... + 3735.

It is an arithmetic number, because the mean of its divisors is an integer number (603288).

Almost surely, 26828740 is an apocalyptic number.

It is an amenable number.

6828740 is an abundant number, since it is smaller than the sum of its proper divisors (7650172).

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

6828740 is a wasteful number, since it uses less digits than its factorization.

6828740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307 (or 3305 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 6828740 is about 2613.1857951550. The cubic root of 6828740 is about 189.7201790493.

The spelling of 6828740 in words is "six million, eight hundred twenty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 3191 6382 12764 15955 31910 63820 341437 682874 1365748 1707185 3414370 6828740