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5668385 = 51133677
BaseRepresentation
bin10101100111111000100001
3101122222120012
4111213320201
52422342020
6321254305
766115622
oct25477041
911588505
105668385
113221818
121a94395
131236098
14a77a49
1576e7c5
hex567e21

5668385 has 4 divisors (see below), whose sum is σ = 6802068. Its totient is φ = 4534704.

The previous prime is 5668357. The next prime is 5668387. The reversal of 5668385 is 5838665.

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 2849344 + 2819041 = 1688^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 5668385 - 28 = 5668129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5668387) 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, 566834 + ... + 566843.

It is an arithmetic number, because the mean of its divisors is an integer number (1700517).

Almost surely, 25668385 is an apocalyptic number.

It is an amenable number.

5668385 is a deficient number, since it is larger than the sum of its proper divisors (1133683).

5668385 is a wasteful number, since it uses less digits than its factorization.

5668385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133682.

The product of its digits is 172800, while the sum is 41.

The square root of 5668385 is about 2380.8370376823. The cubic root of 5668385 is about 178.3007267566.

The spelling of 5668385 in words is "five million, six hundred sixty-eight thousand, three hundred eighty-five".

Divisors: 1 5 1133677 5668385