Base | Representation |
---|---|
bin | 1101000100010… |
… | …0111111001001 |
3 | 10211010120011020 |
4 | 3101010333021 |
5 | 103012333041 |
6 | 5234423053 |
7 | 1233602415 |
oct | 321047711 |
9 | 124116136 |
10 | 54808521 |
11 | 28a354a9 |
12 | 16431a89 |
13 | b47cca1 |
14 | 73c9d45 |
15 | 4c29866 |
hex | 3444fc9 |
54808521 has 32 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 32880960.
The previous prime is 54808511. The next prime is 54808529. The reversal of 54808521 is 12580845.
54808521 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 54808521 - 25 = 54808489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54808529) 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, 117130 + ... + 117596.
It is an arithmetic number, because the mean of its divisors is an integer number (2527200).
Almost surely, 254808521 is an apocalyptic number.
It is an amenable number.
54808521 is a deficient number, since it is larger than the sum of its proper divisors (26061879).
54808521 is a wasteful number, since it uses less digits than its factorization.
54808521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 589.
The product of its (nonzero) digits is 12800, while the sum is 33.
The square root of 54808521 is about 7403.2777200373. The cubic root of 54808521 is about 379.8534083693.
The spelling of 54808521 in words is "fifty-four million, eight hundred eight thousand, five hundred twenty-one".
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