Base | Representation |
---|---|
bin | 10011111111000000100101 |
3 | 100212011022102 |
4 | 103333000211 |
5 | 2320120241 |
6 | 304141445 |
7 | 62346350 |
oct | 23770045 |
9 | 10764272 |
10 | 5238821 |
11 | 2a59005 |
12 | 1907885 |
13 | 11156c3 |
14 | 9a5297 |
15 | 6d739b |
hex | 4ff025 |
5238821 has 16 divisors (see below), whose sum is σ = 6272640. Its totient is φ = 4280640.
The previous prime is 5238817. The next prime is 5238829. The reversal of 5238821 is 1288325.
5238821 = T118 + T119 + ... + T320.
5238821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 5238821 - 22 = 5238817 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5238829) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26495 + ... + 26691.
It is an arithmetic number, because the mean of its divisors is an integer number (392040).
Almost surely, 25238821 is an apocalyptic number.
It is an amenable number.
5238821 is a deficient number, since it is larger than the sum of its proper divisors (1033819).
5238821 is a wasteful number, since it uses less digits than its factorization.
5238821 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 364.
The product of its digits is 3840, while the sum is 29.
The square root of 5238821 is about 2288.8470896938. The cubic root of 5238821 is about 173.6778842588.
The spelling of 5238821 in words is "five million, two hundred thirty-eight thousand, eight hundred twenty-one".
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