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6940828 = 2217102071
BaseRepresentation
bin11010011110100010011100
3111001122000201
4122132202130
53234101303
6404433244
7112665436
oct32364234
914048021
106940828
113a10824
1223a8824
1315902cb
14cc9656
1592181d
hex69e89c

6940828 has 12 divisors (see below), whose sum is σ = 12861072. Its totient is φ = 3266240.

The previous prime is 6940823. The next prime is 6940841. The reversal of 6940828 is 8280496.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50968 + ... + 51103.

It is an arithmetic number, because the mean of its divisors is an integer number (1071756).

Almost surely, 26940828 is an apocalyptic number.

6940828 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6940828 is a deficient number, since it is larger than the sum of its proper divisors (5920244).

6940828 is a wasteful number, since it uses less digits than its factorization.

6940828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102092 (or 102090 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 6940828 is about 2634.5451220277. The cubic root of 6940828 is about 190.7525829779.

The spelling of 6940828 in words is "six million, nine hundred forty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 102071 204142 408284 1735207 3470414 6940828