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328211020 = 225155310567
BaseRepresentation
bin10011100100000…
…001101001001100
3211212120211212201
4103210001221030
51133010223040
652322411244
711063514304
oct2344015114
9755524781
10328211020
111592a2885
1291b00b24
1352cc7707
1431838604
151dc32a9a
hex13901a4c

328211020 has 24 divisors (see below), whose sum is σ = 689752224. Its totient is φ = 131187456.

The previous prime is 328211017. The next prime is 328211047. The reversal of 328211020 is 20112823.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25777 + ... + 36343.

It is an arithmetic number, because the mean of its divisors is an integer number (28739676).

Almost surely, 2328211020 is an apocalyptic number.

It is an amenable number.

328211020 is an abundant number, since it is smaller than the sum of its proper divisors (361541204).

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

328211020 is a wasteful number, since it uses less digits than its factorization.

328211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129 (or 12127 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 328211020 is about 18116.5951547193. The cubic root of 328211020 is about 689.7913112501.

Adding to 328211020 its reverse (20112823), we get a palindrome (348323843).

The spelling of 328211020 in words is "three hundred twenty-eight million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 1553 3106 6212 7765 10567 15530 21134 31060 42268 52835 105670 211340 16410551 32821102 65642204 82052755 164105510 328211020