Search a number
-
+
5278637 = 713194371
BaseRepresentation
bin10100001000101110101101
3100221011221002
4110020232231
52322404022
6305050045
762603420
oct24105655
910834832
105278637
112a85a11
121926925
13112a870
149b59b7
156e4092
hex508bad

5278637 has 32 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 3810240.

The previous prime is 5278621. The next prime is 5278657. The reversal of 5278637 is 7368725.

It is a happy number.

5278637 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 5278637 - 24 = 5278621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5278637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278607) 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 31 ways as a sum of consecutive naturals, for example, 74312 + ... + 74382.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

Almost surely, 25278637 is an apocalyptic number.

It is an amenable number.

5278637 is a deficient number, since it is larger than the sum of its proper divisors (1817683).

5278637 is a wasteful number, since it uses less digits than its factorization.

5278637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its digits is 70560, while the sum is 38.

The square root of 5278637 is about 2297.5284546660. The cubic root of 5278637 is about 174.1167688483.

The spelling of 5278637 in words is "five million, two hundred seventy-eight thousand, six hundred thirty-seven".

Divisors: 1 7 13 19 43 71 91 133 247 301 497 559 817 923 1349 1729 3053 3913 5719 6461 9443 10621 17537 21371 39689 58007 74347 122759 277823 406049 754091 5278637