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5688431 = 7812633
BaseRepresentation
bin10101101100110001101111
3101201000001122
4111230301233
52424012211
6321531155
766231230
oct25546157
911630048
105688431
113235891
121aa3abb
131242248
14a81087
157756db
hex56cc6f

5688431 has 4 divisors (see below), whose sum is σ = 6501072. Its totient is φ = 4875792.

The previous prime is 5688409. The next prime is 5688443. The reversal of 5688431 is 1348865.

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-5688431 is a prime.

It is a super-2 number, since 2×56884312 = 64716494483522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5688391 and 5688400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5688401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406310 + ... + 406323.

It is an arithmetic number, because the mean of its divisors is an integer number (1625268).

Almost surely, 25688431 is an apocalyptic number.

5688431 is a deficient number, since it is larger than the sum of its proper divisors (812641).

5688431 is an equidigital number, since it uses as much as digits as its factorization.

5688431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812640.

The product of its digits is 23040, while the sum is 35.

The square root of 5688431 is about 2385.0431861918. The cubic root of 5688431 is about 178.5106637594.

The spelling of 5688431 in words is "five million, six hundred eighty-eight thousand, four hundred thirty-one".

Divisors: 1 7 812633 5688431