Search a number
-
+
5249911 = 23228257
BaseRepresentation
bin10100000001101101110111
3100212201112011
4110001231313
52320444121
6304305051
762423602
oct24015567
910781464
105249911
112a66377
121912187
13111a774
149a9339
156da7e1
hex501b77

5249911 has 4 divisors (see below), whose sum is σ = 5478192. Its totient is φ = 5021632.

The previous prime is 5249903. The next prime is 5249921. The reversal of 5249911 is 1199425.

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 5249911 - 23 = 5249903 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249921) 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, 114106 + ... + 114151.

It is an arithmetic number, because the mean of its divisors is an integer number (1369548).

Almost surely, 25249911 is an apocalyptic number.

5249911 is a deficient number, since it is larger than the sum of its proper divisors (228281).

5249911 is a wasteful number, since it uses less digits than its factorization.

5249911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228280.

The product of its digits is 3240, while the sum is 31.

The square root of 5249911 is about 2291.2684260034. The cubic root of 5249911 is about 173.8003501233.

The spelling of 5249911 in words is "five million, two hundred forty-nine thousand, nine hundred eleven".

Divisors: 1 23 228257 5249911