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6828040 = 235170701
BaseRepresentation
bin11010000011000000001000
3110211220022101
4122003000020
53221444130
6402203144
7112015552
oct32030010
913756271
106828040
11394400a
1223534b4
131550b7b
14c9a4d2
158ed1ca
hex683008

6828040 has 16 divisors (see below), whose sum is σ = 15363180. Its totient is φ = 2731200.

The previous prime is 6828023. The next prime is 6828053. The reversal of 6828040 is 408286.

It can be written as a sum of positive squares in 2 ways, for example, as 6563844 + 264196 = 2562^2 + 514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85311 + ... + 85390.

Almost surely, 26828040 is an apocalyptic number.

It is an amenable number.

6828040 is an abundant number, since it is smaller than the sum of its proper divisors (8535140).

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

6828040 is a wasteful number, since it uses less digits than its factorization.

6828040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170712 (or 170708 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 6828040 is about 2613.0518555896. The cubic root of 6828040 is about 189.7136962202.

The spelling of 6828040 in words is "six million, eight hundred twenty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 170701 341402 682804 853505 1365608 1707010 3414020 6828040