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5013813 = 37257929
BaseRepresentation
bin10011001000000100110101
3100102201122210
4103020010311
52240420223
6255244033
760421350
oct23100465
910381583
105013813
112914a52
121819619
13106716c
14947297
15690893
hex4c8135

5013813 has 16 divisors (see below), whose sum is σ = 7678080. Its totient is φ = 2850816.

The previous prime is 5013797. The next prime is 5013817. The reversal of 5013813 is 3183105.

It is a happy number.

5013813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5013813 - 24 = 5013797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5013813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5013817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4933 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (479880).

Almost surely, 25013813 is an apocalyptic number.

It is an amenable number.

5013813 is a deficient number, since it is larger than the sum of its proper divisors (2664267).

5013813 is a wasteful number, since it uses less digits than its factorization.

5013813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5013813 is about 2239.1545279413. The cubic root of 5013813 is about 171.1549158696.

Adding to 5013813 its reverse (3183105), we get a palindrome (8196918).

The spelling of 5013813 in words is "five million, thirteen thousand, eight hundred thirteen".

Divisors: 1 3 7 21 257 771 929 1799 2787 5397 6503 19509 238753 716259 1671271 5013813