Base | Representation |
---|---|
bin | 1101000100001… |
… | …1011100101101 |
3 | 10211010020111220 |
4 | 3101003130231 |
5 | 103012132341 |
6 | 5234333553 |
7 | 1233545145 |
oct | 321033455 |
9 | 124106456 |
10 | 54802221 |
11 | 28a307a1 |
12 | 1642a2b9 |
13 | b47a166 |
14 | 73c7925 |
15 | 4c27a66 |
hex | 344372d |
54802221 has 12 divisors (see below), whose sum is σ = 74031552. Its totient is φ = 36060024.
The previous prime is 54802211. The next prime is 54802229. The reversal of 54802221 is 12220845.
54802221 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 54802221 - 211 = 54800173 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 54802191 and 54802200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54802229) 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 11 ways as a sum of consecutive naturals, for example, 17260 + ... + 20186.
It is an arithmetic number, because the mean of its divisors is an integer number (6169296).
Almost surely, 254802221 is an apocalyptic number.
It is an amenable number.
54802221 is a deficient number, since it is larger than the sum of its proper divisors (19229331).
54802221 is an equidigital number, since it uses as much as digits as its factorization.
54802221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3088 (or 3009 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 24.
The square root of 54802221 is about 7402.8522205971. The cubic root of 54802221 is about 379.8388536484.
The spelling of 54802221 in words is "fifty-four million, eight hundred two thousand, two hundred twenty-one".
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