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5731085 = 51146217
BaseRepresentation
bin10101110111001100001101
3101210011120102
4111313030031
52431343320
6322500445
766466463
oct25671415
911704512
105731085
113264938
121b04725
131258799
14a92833
15783175
hex57730d

5731085 has 4 divisors (see below), whose sum is σ = 6877308. Its totient is φ = 4584864.

The previous prime is 5731081. The next prime is 5731087. The reversal of 5731085 is 5801375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3602404 + 2128681 = 1898^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 5731085 - 22 = 5731081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731081) 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, 573104 + ... + 573113.

It is an arithmetic number, because the mean of its divisors is an integer number (1719327).

Almost surely, 25731085 is an apocalyptic number.

It is an amenable number.

5731085 is a deficient number, since it is larger than the sum of its proper divisors (1146223).

5731085 is a wasteful number, since it uses less digits than its factorization.

5731085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146222.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 5731085 is about 2393.9684626160. The cubic root of 5731085 is about 178.9557332565.

The spelling of 5731085 in words is "five million, seven hundred thirty-one thousand, eighty-five".

Divisors: 1 5 1146217 5731085