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5769 = 32641
BaseRepresentation
bin1011010001001
321220200
41122021
5141034
642413
722551
oct13211
97820
105769
114375
123409
13281a
142161
151a99
hex1689

5769 has 6 divisors (see below), whose sum is σ = 8346. Its totient is φ = 3840.

The previous prime is 5749. The next prime is 5779. The reversal of 5769 is 9675.

It can be written as a sum of positive squares in only one way, i.e., 5625 + 144 = 75^2 + 12^2 .

It is not a de Polignac number, because 5769 - 25 = 5737 is a prime.

It is a super-2 number, since 2×57692 = 66562722, which contains 22 as substring.

5769 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (5749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312 + ... + 329.

It is an arithmetic number, because the mean of its divisors is an integer number (1391).

25769 is an apocalyptic number.

It is an amenable number.

5769 is a deficient number, since it is larger than the sum of its proper divisors (2577).

5769 is a wasteful number, since it uses less digits than its factorization.

5769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 644 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 5769 is about 75.9539334070. The cubic root of 5769 is about 17.9349503877.

It can be divided in two parts, 576 and 9, that multiplied together give a square (5184 = 722).

The spelling of 5769 in words is "five thousand, seven hundred sixty-nine".

Divisors: 1 3 9 641 1923 5769