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328390712 = 23133157603
BaseRepresentation
bin10011100100101…
…101100000111000
3211212220222100222
4103210231200320
51133032000322
652330315212
711065163216
oct2344554070
9755828328
10328390712
11159405891
1291b88b08
135305b440
1431883cb6
151dc6ae42
hex1392d838

328390712 has 16 divisors (see below), whose sum is σ = 663096840. Its totient is φ = 151564896.

The previous prime is 328390709. The next prime is 328390729. The reversal of 328390712 is 217093823.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578698 + ... + 1578905.

Almost surely, 2328390712 is an apocalyptic number.

It is an amenable number.

328390712 is an abundant number, since it is smaller than the sum of its proper divisors (334706128).

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

328390712 is a wasteful number, since it uses less digits than its factorization.

328390712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157622 (or 3157618 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 328390712 is about 18121.5537965154. The cubic root of 328390712 is about 689.9171727226.

The spelling of 328390712 in words is "three hundred twenty-eight million, three hundred ninety thousand, seven hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 3157603 6315206 12630412 25260824 41048839 82097678 164195356 328390712