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328698890 = 25133181563
BaseRepresentation
bin10011100101111…
…000110000001010
3211220111122002222
4103211320300022
51133121331030
652341054042
711100615542
oct2345706012
9756448088
10328698890
111595a6383
12920b7322
13531387b0
1431924322
151dccc3e5
hex13978c0a

328698890 has 32 divisors (see below), whose sum is σ = 657732096. Its totient is φ = 117449280.

The previous prime is 328698889. The next prime is 328698913. The reversal of 328698890 is 98896823.

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 15 ways as a sum of consecutive naturals, for example, 36752 + ... + 44811.

It is an arithmetic number, because the mean of its divisors is an integer number (20554128).

Almost surely, 2328698890 is an apocalyptic number.

328698890 is an abundant number, since it is smaller than the sum of its proper divisors (329033206).

328698890 is a wasteful number, since it uses less digits than its factorization.

328698890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81614.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 328698890 is about 18130.0548813290. The cubic root of 328698890 is about 690.1329226521.

The spelling of 328698890 in words is "three hundred twenty-eight million, six hundred ninety-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 13 26 31 62 65 130 155 310 403 806 2015 4030 81563 163126 407815 815630 1060319 2120638 2528453 5056906 5301595 10603190 12642265 25284530 32869889 65739778 164349445 328698890