Base | Representation |
---|---|
bin | 10100100010101001110101 |
3 | 101010120120211 |
4 | 110202221311 |
5 | 2334303241 |
6 | 311225421 |
7 | 63525121 |
oct | 24425165 |
9 | 11116524 |
10 | 5384821 |
11 | 3048772 |
12 | 1978271 |
13 | 1166cb0 |
14 | a02581 |
15 | 715781 |
hex | 522a75 |
5384821 has 4 divisors (see below), whose sum is σ = 5799052. Its totient is φ = 4970592.
The previous prime is 5384779. The next prime is 5384833. The reversal of 5384821 is 1284835.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1284835 = 5 ⋅256967.
It can be written as a sum of positive squares in 2 ways, for example, as 483025 + 4901796 = 695^2 + 2214^2 .
It is a cyclic number.
It is not a de Polignac number, because 5384821 - 27 = 5384693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5384851) 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, 207096 + ... + 207121.
It is an arithmetic number, because the mean of its divisors is an integer number (1449763).
Almost surely, 25384821 is an apocalyptic number.
It is an amenable number.
5384821 is a deficient number, since it is larger than the sum of its proper divisors (414231).
5384821 is a wasteful number, since it uses less digits than its factorization.
5384821 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 414230.
The product of its digits is 7680, while the sum is 31.
The square root of 5384821 is about 2320.5217085819. The cubic root of 5384821 is about 175.2765260827.
The spelling of 5384821 in words is "five million, three hundred eighty-four thousand, eight hundred twenty-one".
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