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5268181 = 17218229
BaseRepresentation
bin10100000110001011010101
3100220122120211
4110012023111
52322040211
6304525421
762531062
oct24061325
910818524
105268181
112a79076
121920871
131125b89
149b1c69
156e0e21
hex5062d5

5268181 has 6 divisors (see below), whose sum is σ = 5596610. Its totient is φ = 4958016.

The previous prime is 5268163. The next prime is 5268203. The reversal of 5268181 is 1818625.

It can be written as a sum of positive squares in 3 ways, for example, as 4036081 + 1232100 = 2009^2 + 1110^2 .

It is not a de Polignac number, because 5268181 - 221 = 3171029 is a prime.

It is a super-2 number, since 2×52681812 = 55507462097522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5268101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8826 + ... + 9403.

Almost surely, 25268181 is an apocalyptic number.

It is an amenable number.

5268181 is a deficient number, since it is larger than the sum of its proper divisors (328429).

5268181 is a wasteful number, since it uses less digits than its factorization.

5268181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18263 (or 18246 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 5268181 is about 2295.2518380343. The cubic root of 5268181 is about 174.0017285247.

The spelling of 5268181 in words is "five million, two hundred sixty-eight thousand, one hundred eighty-one".

Divisors: 1 17 289 18229 309893 5268181