Base | Representation |
---|---|
bin | 10011110011100000100101 |
3 | 100202202200211 |
4 | 103303200211 |
5 | 2312113332 |
6 | 303135421 |
7 | 62062126 |
oct | 23634045 |
9 | 10682624 |
10 | 5191717 |
11 | 2a26683 |
12 | 18a4571 |
13 | 10ca12b |
14 | 99204d |
15 | 6c8447 |
hex | 4f3825 |
5191717 has 4 divisors (see below), whose sum is σ = 5214816. Its totient is φ = 5168620.
The previous prime is 5191709. The next prime is 5191723. The reversal of 5191717 is 7171915.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7171915 = 5 ⋅1434383.
It is a cyclic number.
It is not a de Polignac number, because 5191717 - 23 = 5191709 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5191727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11209 + ... + 11662.
It is an arithmetic number, because the mean of its divisors is an integer number (1303704).
Almost surely, 25191717 is an apocalyptic number.
It is an amenable number.
5191717 is a deficient number, since it is larger than the sum of its proper divisors (23099).
5191717 is a wasteful number, since it uses less digits than its factorization.
5191717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23098.
The product of its digits is 2205, while the sum is 31.
The square root of 5191717 is about 2278.5339584917. The cubic root of 5191717 is about 173.1557842533.
The spelling of 5191717 in words is "five million, one hundred ninety-one thousand, seven hundred seventeen".
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