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328914380 = 22559278741
BaseRepresentation
bin10011100110101…
…101010111001100
3211220220120201002
4103212231113030
51133200230010
652345435432
711102504024
oct2346552714
9756816632
10328914380
11159733273
129219bb78
13531b28c2
143197ca84
151dd211a5
hex139ad5cc

328914380 has 24 divisors (see below), whose sum is σ = 702429840. Its totient is φ = 129335360.

The previous prime is 328914361. The next prime is 328914401. The reversal of 328914380 is 83419823.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138191 + ... + 140550.

It is an arithmetic number, because the mean of its divisors is an integer number (29267910).

Almost surely, 2328914380 is an apocalyptic number.

It is an amenable number.

328914380 is an abundant number, since it is smaller than the sum of its proper divisors (373515460).

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

328914380 is a wasteful number, since it uses less digits than its factorization.

328914380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278809 (or 278807 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 328914380 is about 18135.9968019406. The cubic root of 328914380 is about 690.2837032612.

The spelling of 328914380 in words is "three hundred twenty-eight million, nine hundred fourteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 278741 557482 1114964 1393705 2787410 5574820 16445719 32891438 65782876 82228595 164457190 328914380