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328872 = 23371193
BaseRepresentation
bin1010000010010101000
3121201010110
41100102220
541010442
611014320
72536545
oct1202250
9551113
10328872
112050a5
1213a3a0
13b68cb
1487bcc
156769c
hex504a8

328872 has 32 divisors (see below), whose sum is σ = 838080. Its totient is φ = 107520.

The previous prime is 328849. The next prime is 328883. The reversal of 328872 is 278823.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 34 + 28 + 83 + 86 + 73 + 216 .

It is an unprimeable number.

328872 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (26190).

2328872 is an apocalyptic number.

It is an amenable number.

328872 is an abundant number, since it is smaller than the sum of its proper divisors (509208).

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

328872 is a wasteful number, since it uses less digits than its factorization.

328872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 269 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 328872 is about 573.4736262462. The cubic root of 328872 is about 69.0254054735.

The spelling of 328872 in words is "three hundred twenty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 71 142 193 213 284 386 426 568 579 772 852 1158 1544 1704 2316 4632 13703 27406 41109 54812 82218 109624 164436 328872