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5685787 = 53107279
BaseRepresentation
bin10101101100001000011011
3101200212102201
4111230020123
52423421122
6321511031
766220432
oct25541033
911625381
105685787
1132338a8
121aa2477
131240c93
14a80119
15774a27
hex56c21b

5685787 has 4 divisors (see below), whose sum is σ = 5793120. Its totient is φ = 5578456.

The previous prime is 5685781. The next prime is 5685791. The reversal of 5685787 is 7875865.

5685787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5685787 is a prime.

It is a super-3 number, since 3×56857873 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

5685787 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5685781) 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 3 ways as a sum of consecutive naturals, for example, 53587 + ... + 53692.

It is an arithmetic number, because the mean of its divisors is an integer number (1448280).

Almost surely, 25685787 is an apocalyptic number.

5685787 is a deficient number, since it is larger than the sum of its proper divisors (107333).

5685787 is a wasteful number, since it uses less digits than its factorization.

5685787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107332.

The product of its digits is 470400, while the sum is 46.

The square root of 5685787 is about 2384.4888341110. The cubic root of 5685787 is about 178.4830020404.

The spelling of 5685787 in words is "five million, six hundred eighty-five thousand, seven hundred eighty-seven".

Divisors: 1 53 107279 5685787