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324025 = 5213997
BaseRepresentation
bin1001111000110111001
3121110110221
41033012321
540332100
610540041
72516452
oct1170671
9543427
10324025
11201499
12137621
13b4640
1486129
156601a
hex4f1b9

324025 has 12 divisors (see below), whose sum is σ = 433132. Its totient is φ = 239040.

The previous prime is 324011. The next prime is 324031. The reversal of 324025 is 520423.

It can be written as a sum of positive squares in 6 ways, for example, as 5929 + 318096 = 77^2 + 564^2 .

It is not a de Polignac number, because 324025 - 215 = 291257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174 + ... + 823.

2324025 is an apocalyptic number.

It is an amenable number.

324025 is a deficient number, since it is larger than the sum of its proper divisors (109107).

324025 is a wasteful number, since it uses less digits than its factorization.

324025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 324025 is about 569.2319386682. The cubic root of 324025 is about 68.6846210421.

Adding to 324025 its reverse (520423), we get a palindrome (844448).

The spelling of 324025 in words is "three hundred twenty-four thousand, twenty-five".

Divisors: 1 5 13 25 65 325 997 4985 12961 24925 64805 324025