Base | Representation |
---|---|
bin | 1101000000111… |
… | …0111001110001 |
3 | 10210201022021111 |
4 | 3100032321301 |
5 | 102433240433 |
6 | 5225553321 |
7 | 1231660516 |
oct | 320167161 |
9 | 123638244 |
10 | 54586993 |
11 | 288a401a |
12 | 16345841 |
13 | b4031c6 |
14 | 736d30d |
15 | 4bd3dcd |
hex | 340ee71 |
54586993 has 4 divisors (see below), whose sum is σ = 55200420. Its totient is φ = 53973568.
The previous prime is 54586969. The next prime is 54586997. The reversal of 54586993 is 39968545.
54586993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39968545 = 5 ⋅7993709.
It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 51022449 = 1888^2 + 7143^2 .
It is a cyclic number.
It is not a de Polignac number, because 54586993 - 29 = 54586481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54586997) 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 3 ways as a sum of consecutive naturals, for example, 306580 + ... + 306757.
It is an arithmetic number, because the mean of its divisors is an integer number (13800105).
Almost surely, 254586993 is an apocalyptic number.
It is an amenable number.
54586993 is a deficient number, since it is larger than the sum of its proper divisors (613427).
54586993 is an equidigital number, since it uses as much as digits as its factorization.
54586993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 613426.
The product of its digits is 1166400, while the sum is 49.
The square root of 54586993 is about 7388.3010902372. The cubic root of 54586993 is about 379.3409467357.
The spelling of 54586993 in words is "fifty-four million, five hundred eighty-six thousand, nine hundred ninety-three".
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