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5272805 = 51724189
BaseRepresentation
bin10100000111010011100101
3100220212221002
4110013103211
52322212210
6305003045
762550416
oct24072345
910825832
105272805
112a8159a
121923485
131128005
149b380d
156e24a5
hex5074e5

5272805 has 24 divisors (see below), whose sum is σ = 6962760. Its totient is φ = 3829760.

The previous prime is 5272801. The next prime is 5272807. The reversal of 5272805 is 5082725.

It can be written as a sum of positive squares in 12 ways, for example, as 1760929 + 3511876 = 1327^2 + 1874^2 .

It is not a de Polignac number, because 5272805 - 22 = 5272801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5272801) 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 23 ways as a sum of consecutive naturals, for example, 59201 + ... + 59289.

It is an arithmetic number, because the mean of its divisors is an integer number (290115).

Almost surely, 25272805 is an apocalyptic number.

It is an amenable number.

5272805 is a deficient number, since it is larger than the sum of its proper divisors (1689955).

5272805 is a wasteful number, since it uses less digits than its factorization.

5272805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 5272805 is about 2296.2589139729. The cubic root of 5272805 is about 174.0526220372.

The spelling of 5272805 in words is "five million, two hundred seventy-two thousand, eight hundred five".

Divisors: 1 5 17 41 85 89 205 289 445 697 1445 1513 3485 3649 7565 11849 18245 25721 59245 62033 128605 310165 1054561 5272805