Base | Representation |
---|---|
bin | 1100110101000… |
… | …1111010000101 |
3 | 10202020222101020 |
4 | 3031101322011 |
5 | 102234002434 |
6 | 5201221353 |
7 | 1222254555 |
oct | 315217205 |
9 | 122228336 |
10 | 53812869 |
11 | 28415450 |
12 | 16031859 |
13 | b1c1a46 |
14 | 720b165 |
15 | 4ace849 |
hex | 3351e85 |
53812869 has 32 divisors (see below), whose sum is σ = 82833408. Its totient is φ = 30768000.
The previous prime is 53812867. The next prime is 53812879. The reversal of 53812869 is 96821835.
53812869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 53812869 - 21 = 53812867 is a prime.
It is a super-2 number, since 2×538128692 = 5791649740022322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 53812869.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53812867) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41302 + ... + 42584.
It is an arithmetic number, because the mean of its divisors is an integer number (2588544).
Almost surely, 253812869 is an apocalyptic number.
It is an amenable number.
53812869 is a deficient number, since it is larger than the sum of its proper divisors (29020539).
53812869 is a wasteful number, since it uses less digits than its factorization.
53812869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1369.
The product of its digits is 103680, while the sum is 42.
The square root of 53812869 is about 7335.7255264902. The cubic root of 53812869 is about 377.5391980115.
The spelling of 53812869 in words is "fifty-three million, eight hundred twelve thousand, eight hundred sixty-nine".
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