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328055660 = 22526096287
BaseRepresentation
bin10011100011011…
…011101101101100
3211212021221202122
4103203123231230
51132440240120
652315212112
711062266332
oct2343335554
9755257678
10328055660
111591a7089
1291a47038
1352c71a9a
14317d7b52
151dc01a25
hex138dbb6c

328055660 has 24 divisors (see below), whose sum is σ = 689290560. Its totient is φ = 131151104.

The previous prime is 328055657. The next prime is 328055669. The reversal of 328055660 is 66550823.

It is a self number, because there is not a number n which added to its sum of digits gives 328055660.

It is not an unprimeable number, because it can be changed into a prime (328055669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49037 + ... + 55323.

It is an arithmetic number, because the mean of its divisors is an integer number (28720440).

Almost surely, 2328055660 is an apocalyptic number.

It is an amenable number.

328055660 is an abundant number, since it is smaller than the sum of its proper divisors (361234900).

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

328055660 is a wasteful number, since it uses less digits than its factorization.

328055660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 328055660 is about 18112.3068657750. The cubic root of 328055660 is about 689.6824555798.

The spelling of 328055660 in words is "three hundred twenty-eight million, fifty-five thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 2609 5218 6287 10436 12574 13045 25148 26090 31435 52180 62870 125740 16402783 32805566 65611132 82013915 164027830 328055660