Base | Representation |
---|---|
bin | 10001010100011001110010 |
3 | 22112122201211 |
4 | 101110121302 |
5 | 2130240033 |
6 | 241150334 |
7 | 53406130 |
oct | 21243162 |
9 | 8478654 |
10 | 4540018 |
11 | 2620a8a |
12 | 162b3aa |
13 | c2c602 |
14 | 862750 |
15 | 5ea2cd |
hex | 454672 |
4540018 has 16 divisors (see below), whose sum is σ = 7842240. Its totient is φ = 1930896.
The previous prime is 4540013. The next prime is 4540027. The reversal of 4540018 is 8100454.
It is a super-3 number, since 3×45400183 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (4540013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 3112.
It is an arithmetic number, because the mean of its divisors is an integer number (490140).
Almost surely, 24540018 is an apocalyptic number.
4540018 is a deficient number, since it is larger than the sum of its proper divisors (3302222).
4540018 is a wasteful number, since it uses less digits than its factorization.
4540018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2481.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 4540018 is about 2130.7317991714. The cubic root of 4540018 is about 165.5843133951.
The spelling of 4540018 in words is "four million, five hundred forty thousand, eighteen".
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