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5208905 = 513127631
BaseRepresentation
bin10011110111101101001001
3100210122021102
4103313231021
52313141110
6303351145
762163212
oct23675511
910718242
105208905
112a38589
1218b24b5
131104bc0
14998409
156cd5a5
hex4f7b49

5208905 has 16 divisors (see below), whose sum is σ = 6795264. Its totient is φ = 3810240.

The previous prime is 5208887. The next prime is 5208911. The reversal of 5208905 is 5098025.

5208905 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 5208905 - 214 = 5192521 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7940 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (424704).

Almost surely, 25208905 is an apocalyptic number.

It is an amenable number.

5208905 is a deficient number, since it is larger than the sum of its proper divisors (1586359).

5208905 is a wasteful number, since it uses less digits than its factorization.

5208905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 5208905 is about 2282.3025653931. The cubic root of 5208905 is about 173.3466603001.

The spelling of 5208905 in words is "five million, two hundred eight thousand, nine hundred five".

Divisors: 1 5 13 65 127 631 635 1651 3155 8203 8255 41015 80137 400685 1041781 5208905