Base | Representation |
---|---|
bin | 100000001111000… |
… | …011111001001010 |
3 | 1101200122110020000 |
4 | 200033003321022 |
5 | 2101422202033 |
6 | 125355343430 |
7 | 16254612555 |
oct | 4017037112 |
9 | 1350573200 |
10 | 540819018 |
11 | 258307373 |
12 | 131151b76 |
13 | 8807766c |
14 | 51b7d69c |
15 | 3272ca13 |
hex | 203c3e4a |
540819018 has 40 divisors (see below), whose sum is σ = 1213233120. Its totient is φ = 180065160.
The previous prime is 540818969. The next prime is 540819023. The reversal of 540819018 is 810918045.
It is a Curzon number.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 212413 + ... + 214943.
It is an arithmetic number, because the mean of its divisors is an integer number (30330828).
Almost surely, 2540819018 is an apocalyptic number.
540819018 is an abundant number, since it is smaller than the sum of its proper divisors (672414102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
540819018 is a wasteful number, since it uses less digits than its factorization.
540819018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3864 (or 3855 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
The square root of 540819018 is about 23255.5158618337. The cubic root of 540819018 is about 814.7367727340.
The spelling of 540819018 in words is "five hundred forty million, eight hundred nineteen thousand, eighteen".
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