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328250 = 25313101
BaseRepresentation
bin1010000001000111010
3121200021102
41100020322
541001000
611011402
72534666
oct1201072
9550242
10328250
1120468a
12139b62
13b6540
14878a6
15673d5
hex5023a

328250 has 32 divisors (see below), whose sum is σ = 668304. Its totient is φ = 120000.

The previous prime is 328249. The next prime is 328271. The reversal of 328250 is 52823.

328250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 24649 + 303601 = 157^2 + 551^2 .

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328250.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3200 + ... + 3300.

328250 is a Friedman number, since it can be written as 50*(3^8+2+2), using all its digits and the basic arithmetic operations.

2328250 is an apocalyptic number.

328250 is an abundant number, since it is smaller than the sum of its proper divisors (340054).

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

328250 is a wasteful number, since it uses less digits than its factorization.

328250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 328250 is about 572.9310604252. The cubic root of 328250 is about 68.9818617870.

The spelling of 328250 in words is "three hundred twenty-eight thousand, two hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 101 125 130 202 250 325 505 650 1010 1313 1625 2525 2626 3250 5050 6565 12625 13130 25250 32825 65650 164125 328250