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327890020 = 22516394501
BaseRepresentation
bin10011100010110…
…011010001100100
3211211222112112211
4103202303101210
51132414440040
652311453204
711061006403
oct2342632144
9754875484
10327890020
111590a3697
1291987204
1352c14583
143179363a
151dbbc8ea
hex138b3464

327890020 has 12 divisors (see below), whose sum is σ = 688569084. Its totient is φ = 131156000.

The previous prime is 327889981. The next prime is 327890023. The reversal of 327890020 is 20098723.

It can be written as a sum of positive squares in 2 ways, for example, as 261662976 + 66227044 = 16176^2 + 8138^2 .

It is not an unprimeable number, because it can be changed into a prime (327890023) by changing a digit.

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, 8197231 + ... + 8197270.

It is an arithmetic number, because the mean of its divisors is an integer number (57380757).

Almost surely, 2327890020 is an apocalyptic number.

It is an amenable number.

327890020 is an abundant number, since it is smaller than the sum of its proper divisors (360679064).

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

327890020 is a wasteful number, since it uses less digits than its factorization.

327890020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16394510 (or 16394508 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 327890020 is about 18107.7337068999. The cubic root of 327890020 is about 689.5663591891.

The spelling of 327890020 in words is "three hundred twenty-seven million, eight hundred ninety thousand, twenty".

Divisors: 1 2 4 5 10 20 16394501 32789002 65578004 81972505 163945010 327890020