Search a number
-
+
5279143 = 5989477
BaseRepresentation
bin10100001000110110100111
3100221012121211
4110020312213
52322413033
6305052251
762605042
oct24106647
910835554
105279143
112a86331
121927087
13112ab6c
149b5c59
156e42cd
hex508da7

5279143 has 4 divisors (see below), whose sum is σ = 5368680. Its totient is φ = 5189608.

The previous prime is 5279117. The next prime is 5279149. The reversal of 5279143 is 3419725.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5279143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5279149) 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 3 ways as a sum of consecutive naturals, for example, 44680 + ... + 44797.

It is an arithmetic number, because the mean of its divisors is an integer number (1342170).

Almost surely, 25279143 is an apocalyptic number.

5279143 is a deficient number, since it is larger than the sum of its proper divisors (89537).

5279143 is an equidigital number, since it uses as much as digits as its factorization.

5279143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89536.

The product of its digits is 7560, while the sum is 31.

The square root of 5279143 is about 2297.6385703587. The cubic root of 5279143 is about 174.1223321702.

The spelling of 5279143 in words is "five million, two hundred seventy-nine thousand, one hundred forty-three".

Divisors: 1 59 89477 5279143