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328479376 = 242321972
BaseRepresentation
bin10011100101000…
…011001010010000
3211220002110222211
4103211003022100
51133042320001
652332241504
711066012551
oct2345031220
9756073884
10328479376
11159466465
1292010294
135308c8c4
14318a8328
151dc87351
hex13943290

328479376 has 45 divisors (see below), whose sum is σ = 668697001. Its totient is φ = 156301376.

The previous prime is 328479337. The next prime is 328479383. The reversal of 328479376 is 673974823.

The square root of 328479376 is 18124.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 321843600 + 6635776 = 17940^2 + 2576^2 .

It is a Duffinian number.

Its product of digits (1524096) is a multiple of the sum of its prime factors (448).

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 8 ways as a sum of consecutive naturals, for example, 1667310 + ... + 1667506.

Almost surely, 2328479376 is an apocalyptic number.

328479376 is the 18124-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328479376

328479376 is an abundant number, since it is smaller than the sum of its proper divisors (340217625).

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

328479376 is an equidigital number, since it uses as much as digits as its factorization.

328479376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 222 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 49.

The cubic root of 328479376 is about 689.9792586358.

Multiplying 328479376 by its sum of digits (49), we get a square (16095489424 = 1268682).

The spelling of 328479376 in words is "three hundred twenty-eight million, four hundred seventy-nine thousand, three hundred seventy-six".

Divisors: 1 2 4 8 16 23 46 92 184 197 368 394 529 788 1058 1576 2116 3152 4232 4531 8464 9062 18124 36248 38809 72496 77618 104213 155236 208426 310472 416852 620944 833704 892607 1667408 1785214 3570428 7140856 14281712 20529961 41059922 82119844 164239688 328479376