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5227581 = 31742527
BaseRepresentation
bin10011111100010000111101
3100211120220010
4103330100331
52314240311
6304013433
762301522
oct23742075
910746803
105227581
112a50617
121901279
131110558
149a1149
156d3da6
hex4fc43d

5227581 has 4 divisors (see below), whose sum is σ = 6970112. Its totient is φ = 3485052.

The previous prime is 5227529. The next prime is 5227591. The reversal of 5227581 is 1857225.

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 not a de Polignac number, because 5227581 - 211 = 5225533 is a prime.

It is a super-2 number, since 2×52275812 = 54655206223122, which contains 22 as substring.

It is a D-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 (5227501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871261 + ... + 871266.

It is an arithmetic number, because the mean of its divisors is an integer number (1742528).

Almost surely, 25227581 is an apocalyptic number.

It is an amenable number.

5227581 is a deficient number, since it is larger than the sum of its proper divisors (1742531).

5227581 is a wasteful number, since it uses less digits than its factorization.

5227581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742530.

The product of its digits is 5600, while the sum is 30.

The square root of 5227581 is about 2286.3903866138. The cubic root of 5227581 is about 173.5535854771.

The spelling of 5227581 in words is "five million, two hundred twenty-seven thousand, five hundred eighty-one".

Divisors: 1 3 1742527 5227581