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5668 = 2213109
BaseRepresentation
bin1011000100100
321202221
41120210
5140133
642124
722345
oct13044
97687
105668
114293
123344
132770
1420cc
151a2d
hex1624

5668 has 12 divisors (see below), whose sum is σ = 10780. Its totient is φ = 2592.

The previous prime is 5659. The next prime is 5669. The reversal of 5668 is 8665.

5668 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 2304 + 3364 = 48^2 + 58^2 .

It is a plaindrome in base 7, base 10 and base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (5669) by changing a digit.

5668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3 + ... + 106.

It is an amenable number.

5668 is a deficient number, since it is larger than the sum of its proper divisors (5112).

5668 is a wasteful number, since it uses less digits than its factorization.

5668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 124 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 5668 is about 75.2861208989. The cubic root of 5668 is about 17.8296689902.

The spelling of 5668 in words is "five thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 26 52 109 218 436 1417 2834 5668