Search a number
-
+
5272891 = 13405607
BaseRepresentation
bin10100000111010100111011
3100220220001021
4110013110323
52322213031
6305003311
762550601
oct24072473
910826037
105272891
112a81668
121923537
131128070
149b3871
156e2511
hex50753b

5272891 has 4 divisors (see below), whose sum is σ = 5678512. Its totient is φ = 4867272.

The previous prime is 5272877. The next prime is 5272909. The reversal of 5272891 is 1982725.

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 5272891 - 25 = 5272859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5272801) 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, 202791 + ... + 202816.

It is an arithmetic number, because the mean of its divisors is an integer number (1419628).

Almost surely, 25272891 is an apocalyptic number.

5272891 is a deficient number, since it is larger than the sum of its proper divisors (405621).

5272891 is a wasteful number, since it uses less digits than its factorization.

5272891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405620.

The product of its digits is 10080, while the sum is 34.

The square root of 5272891 is about 2296.2776400078. The cubic root of 5272891 is about 174.0535683042.

The spelling of 5272891 in words is "five million, two hundred seventy-two thousand, eight hundred ninety-one".

Divisors: 1 13 405607 5272891