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328225 = 5219691
BaseRepresentation
bin1010000001000100001
3121200020111
41100020201
541000400
611011321
72534632
oct1201041
9550214
10328225
11204667
12139b41
13b6521
1487889
15673ba
hex50221

328225 has 12 divisors (see below), whose sum is σ = 429040. Its totient is φ = 248400.

The previous prime is 328213. The next prime is 328243. The reversal of 328225 is 522823.

It is a de Polignac number, because none of the positive numbers 2k-328225 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 328196 and 328205.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130 + ... + 820.

2328225 is an apocalyptic number.

It is an amenable number.

328225 is a deficient number, since it is larger than the sum of its proper divisors (100815).

328225 is a wasteful number, since it uses less digits than its factorization.

328225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 715 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 328225 is about 572.9092423761. The cubic root of 328225 is about 68.9801104894.

The spelling of 328225 in words is "three hundred twenty-eight thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 475 691 3455 13129 17275 65645 328225