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5282581 = 5998819
BaseRepresentation
bin10100001001101100010101
3100221101100011
4110021230111
52323020311
6305120221
762621053
oct24115425
910841304
105282581
112a88977
121929071
13112c5b5
149b71d3
156e5321
hex509b15

5282581 has 4 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 5273164.

The previous prime is 5282573. The next prime is 5282587. The reversal of 5282581 is 1852825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5282581 - 23 = 5282573 is a prime.

It is a super-2 number, since 2×52825812 = 55811324043122, which contains 22 as substring.

It is an Ulam 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 (5282587) 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, 3811 + ... + 5008.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 25282581 is an apocalyptic number.

It is an amenable number.

5282581 is a deficient number, since it is larger than the sum of its proper divisors (9419).

5282581 is an equidigital number, since it uses as much as digits as its factorization.

5282581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418.

The product of its digits is 6400, while the sum is 31.

The square root of 5282581 is about 2298.3866080362. The cubic root of 5282581 is about 174.1601225637.

The spelling of 5282581 in words is "five million, two hundred eighty-two thousand, five hundred eighty-one".

Divisors: 1 599 8819 5282581