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324020 = 22517953
BaseRepresentation
bin1001111000110110100
3121110110202
41033012310
540332040
610540032
72516444
oct1170664
9543422
10324020
11201494
12137618
13b4638
1486124
1566015
hex4f1b4

324020 has 24 divisors (see below), whose sum is σ = 721224. Its totient is φ = 121856.

The previous prime is 324011. The next prime is 324031. The reversal of 324020 is 20423.

Adding to 324020 its reverse (20423), we get a palindrome (344443).

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 268324 = 236^2 + 518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 323992 and 324010.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 324020.

It is an unprimeable number.

324020 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, 137 + ... + 816.

It is an arithmetic number, because the mean of its divisors is an integer number (30051).

2324020 is an apocalyptic number.

It is an amenable number.

324020 is an abundant number, since it is smaller than the sum of its proper divisors (397204).

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

324020 is a wasteful number, since it uses less digits than its factorization.

324020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 324020 is about 569.2275467684. The cubic root of 324020 is about 68.6842677516.

The spelling of 324020 in words is "three hundred twenty-four thousand, twenty", and thus it is an iban number.

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 953 1906 3812 4765 9530 16201 19060 32402 64804 81005 162010 324020