Search a number
-
+
324813 = 3108271
BaseRepresentation
bin1001111010011001101
3121111120010
41033103031
540343223
610543433
72521656
oct1172315
9544503
10324813
11202045
12137b79
13b4ac8
148652d
1566393
hex4f4cd

324813 has 4 divisors (see below), whose sum is σ = 433088. Its totient is φ = 216540.

The previous prime is 324811. The next prime is 324839. The reversal of 324813 is 318423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 324813 - 21 = 324811 is a prime.

It is a D-number.

It is a Duffinian number.

324813 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 324813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54133 + ... + 54138.

It is an arithmetic number, because the mean of its divisors is an integer number (108272).

2324813 is an apocalyptic number.

It is an amenable number.

324813 is a deficient number, since it is larger than the sum of its proper divisors (108275).

324813 is a wasteful number, since it uses less digits than its factorization.

324813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108274.

The product of its digits is 576, while the sum is 21.

The square root of 324813 is about 569.9236791010. The cubic root of 324813 is about 68.7402542659.

It can be divided in two parts, 3248 and 13, that multiplied together give a palindrome (42224).

The spelling of 324813 in words is "three hundred twenty-four thousand, eight hundred thirteen".

Divisors: 1 3 108271 324813