Search a number
-
+
5263251 = 371723641
BaseRepresentation
bin10100000100111110010011
3100220101211020
4110010332103
52321411001
6304450523
762510520
oct24047623
910811736
105263251
112a753a4
121919a43
131123866
149b0147
156de736
hex504f93

5263251 has 32 divisors (see below), whose sum is σ = 8875008. Its totient is φ = 2703360.

The previous prime is 5263241. The next prime is 5263253. The reversal of 5263251 is 1523625.

It is not a de Polignac number, because 5263251 - 211 = 5261203 is a prime.

It is a super-2 number, since 2×52632512 = 55403622178002, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5263253) 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 31 ways as a sum of consecutive naturals, for example, 7891 + ... + 8531.

It is an arithmetic number, because the mean of its divisors is an integer number (277344).

Almost surely, 25263251 is an apocalyptic number.

5263251 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5263251 is a deficient number, since it is larger than the sum of its proper divisors (3611757).

5263251 is a wasteful number, since it uses less digits than its factorization.

5263251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its digits is 1800, while the sum is 24.

The square root of 5263251 is about 2294.1776304375. The cubic root of 5263251 is about 173.9474342469.

Adding to 5263251 its reverse (1523625), we get a palindrome (6786876).

The spelling of 5263251 in words is "five million, two hundred sixty-three thousand, two hundred fifty-one".

Divisors: 1 3 7 17 21 23 51 69 119 161 357 391 483 641 1173 1923 2737 4487 8211 10897 13461 14743 32691 44229 76279 103201 228837 250631 309603 751893 1754417 5263251