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6828993 = 327110687
BaseRepresentation
bin11010000011001111000001
3110211221121200
4122003033001
53222011433
6402211413
7112021413
oct32031701
913757550
106828993
1139447a6
122353b69
131551432
14c9a9b3
158ed613
hex6833c1

6828993 has 12 divisors (see below), whose sum is σ = 10003968. Its totient is φ = 4488120.

The previous prime is 6828989. The next prime is 6829033. The reversal of 6828993 is 3998286.

It is not a de Polignac number, because 6828993 - 22 = 6828989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6828973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4705 + ... + 5982.

It is an arithmetic number, because the mean of its divisors is an integer number (833664).

Almost surely, 26828993 is an apocalyptic number.

It is an amenable number.

6828993 is a deficient number, since it is larger than the sum of its proper divisors (3174975).

6828993 is a wasteful number, since it uses less digits than its factorization.

6828993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764 (or 10761 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 6828993 is about 2613.2342030518. The cubic root of 6828993 is about 189.7225220200.

The spelling of 6828993 in words is "six million, eight hundred twenty-eight thousand, nine hundred ninety-three".

Divisors: 1 3 9 71 213 639 10687 32061 96183 758777 2276331 6828993