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328105 = 5211311
BaseRepresentation
bin1010000000110101001
3121200002001
41100012221
540444410
611011001
72534401
oct1200651
9550061
10328105
11204568
12139a61
13b645b
1487801
156733a
hex501a9

328105 has 8 divisors (see below), whose sum is σ = 396864. Its totient is φ = 260400.

The previous prime is 328103. The next prime is 328109. The reversal of 328105 is 501823.

It is a happy number.

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

It is not a de Polignac number, because 328105 - 21 = 328103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (49608).

2328105 is an apocalyptic number.

It is an amenable number.

328105 is a deficient number, since it is larger than the sum of its proper divisors (68759).

328105 is a wasteful number, since it uses less digits than its factorization.

328105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 328105 is about 572.8045041722. The cubic root of 328105 is about 68.9717030227.

Adding to 328105 its reverse (501823), we get a palindrome (829928).

The spelling of 328105 in words is "three hundred twenty-eight thousand, one hundred five".

Divisors: 1 5 211 311 1055 1555 65621 328105