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5719 = 71943
BaseRepresentation
bin1011001010111
321211211
41121113
5140334
642251
722450
oct13127
97754
105719
11432a
123387
1327ac
142127
151a64
hex1657

5719 has 8 divisors (see below), whose sum is σ = 7040. Its totient is φ = 4536.

The previous prime is 5717. The next prime is 5737. The reversal of 5719 is 9175.

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

It is not a de Polignac number, because 5719 - 21 = 5717 is a prime.

It is a super-2 number, since 2×57192 = 65413922, which contains 22 as substring.

It is a Duffinian number.

5719 is a lucky number.

It is a plaindrome in base 13.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 5719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5711) by changing a digit.

It is a Zeisel number, with parameters (2, 5).

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112 + ... + 154.

It is an arithmetic number, because the mean of its divisors is an integer number (880).

5719 is a deficient number, since it is larger than the sum of its proper divisors (1321).

5719 is a wasteful number, since it uses less digits than its factorization.

5719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69.

The product of its digits is 315, while the sum is 22.

The square root of 5719 is about 75.6240702422. The cubic root of 5719 is about 17.8829858200.

The spelling of 5719 in words is "five thousand, seven hundred nineteen".

Divisors: 1 7 19 43 133 301 817 5719