Search a number
-
+
5243131 = 5398927
BaseRepresentation
bin10100000000000011111011
3100212101020001
4110000003323
52320240011
6304213431
762365045
oct24000373
910771201
105243131
112a61273
12190a277
13111765a
149a6a95
156d87c1
hex5000fb

5243131 has 4 divisors (see below), whose sum is σ = 5342112. Its totient is φ = 5144152.

The previous prime is 5243101. The next prime is 5243143. The reversal of 5243131 is 1313425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5243131 - 25 = 5243099 is a prime.

It is a super-2 number, since 2×52431312 = 54980845366322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5243099 and 5243108.

It is not an unprimeable number, because it can be changed into a prime (5243101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49411 + ... + 49516.

It is an arithmetic number, because the mean of its divisors is an integer number (1335528).

Almost surely, 25243131 is an apocalyptic number.

5243131 is a deficient number, since it is larger than the sum of its proper divisors (98981).

5243131 is an equidigital number, since it uses as much as digits as its factorization.

5243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98980.

The product of its digits is 360, while the sum is 19.

The square root of 5243131 is about 2289.7884181732. The cubic root of 5243131 is about 173.7254997112.

Adding to 5243131 its reverse (1313425), we get a palindrome (6556556).

It can be divided in two parts, 524 and 3131, that added together give a triangular number (3655 = T85).

The spelling of 5243131 in words is "five million, two hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 53 98927 5243131