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5687823 = 36131081
BaseRepresentation
bin10101101100101000001111
3101200222020010
4111230220033
52424002243
6321524303
766226401
oct25545017
911628203
105687823
113235389
121aa3693
131241b9b
14a80b71
15775433
hex56ca0f

5687823 has 8 divisors (see below), whose sum is σ = 7708336. Its totient is φ = 3729600.

The previous prime is 5687813. The next prime is 5687827. The reversal of 5687823 is 3287865.

5687823 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5687823 - 25 = 5687791 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5687827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15358 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (963542).

Almost surely, 25687823 is an apocalyptic number.

5687823 is a deficient number, since it is larger than the sum of its proper divisors (2020513).

5687823 is a wasteful number, since it uses less digits than its factorization.

5687823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31145.

The product of its digits is 80640, while the sum is 39.

The square root of 5687823 is about 2384.9157217814. The cubic root of 5687823 is about 178.5043035785.

The spelling of 5687823 in words is "five million, six hundred eighty-seven thousand, eight hundred twenty-three".

Divisors: 1 3 61 183 31081 93243 1895941 5687823