Search a number
-
+
5108831 = 713311811
BaseRepresentation
bin10011011111010001011111
3100121112222222
4103133101133
52301440311
6301255555
761265360
oct23372137
910545888
105108831
11297a382
1218645bb
13109b4a0
1496db67
156adadb
hex4df45f

5108831 has 16 divisors (see below), whose sum is σ = 6494208. Its totient is φ = 3909600.

The previous prime is 5108827. The next prime is 5108879. The reversal of 5108831 is 1388015.

It is a cyclic number.

It is not a de Polignac number, because 5108831 - 22 = 5108827 is a prime.

It is a super-2 number, since 2×51088312 = 52200308373122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5108831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5108821) 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, 1916 + ... + 3726.

It is an arithmetic number, because the mean of its divisors is an integer number (405888).

Almost surely, 25108831 is an apocalyptic number.

5108831 is a deficient number, since it is larger than the sum of its proper divisors (1385377).

5108831 is a wasteful number, since it uses less digits than its factorization.

5108831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 5108831 is about 2260.2723287250. The cubic root of 5108831 is about 172.2293564548.

The spelling of 5108831 in words is "five million, one hundred eight thousand, eight hundred thirty-one".

Divisors: 1 7 13 31 91 217 403 1811 2821 12677 23543 56141 164801 392987 729833 5108831