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328895 = 579397
BaseRepresentation
bin1010000010010111111
3121201011022
41100102333
541011040
611014355
72536610
oct1202277
9551138
10328895
11205116
1213a3bb
13b6918
1487c07
15676b5
hex504bf

328895 has 8 divisors (see below), whose sum is σ = 451104. Its totient is φ = 225504.

The previous prime is 328891. The next prime is 328897. The reversal of 328895 is 598823.

328895 = 312 + 322 + ... + 1002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328895 - 22 = 328891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 9397 = 328895 / (3 + 2 + 8 + 8 + 9 + 5).

It is a d-powerful number, because it can be written as 310 + 22 + 83 + 86 + 94 + 54 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4664 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (56388).

2328895 is an apocalyptic number.

328895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

328895 is a deficient number, since it is larger than the sum of its proper divisors (122209).

328895 is an equidigital number, since it uses as much as digits as its factorization.

328895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9409.

The product of its digits is 17280, while the sum is 35.

The square root of 328895 is about 573.4936791282. The cubic root of 328895 is about 69.0270145568.

The spelling of 328895 in words is "three hundred twenty-eight thousand, eight hundred ninety-five".

Divisors: 1 5 7 35 9397 46985 65779 328895