Base | Representation |
---|---|
bin | 100000001101111… |
… | …001000100001000 |
3 | 1101200001212210020 |
4 | 200031321010020 |
5 | 2101332400040 |
6 | 125345020440 |
7 | 16252165152 |
oct | 4015710410 |
9 | 1350055706 |
10 | 540512520 |
11 | 258118069 |
12 | 131024720 |
13 | 87c9acc2 |
14 | 51addad2 |
15 | 326bbcd0 |
hex | 20379108 |
540512520 has 64 divisors (see below), whose sum is σ = 1623913920. Its totient is φ = 143925504.
The previous prime is 540512507. The next prime is 540512573. The reversal of 540512520 is 25215045.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89847 + ... + 95673.
It is an arithmetic number, because the mean of its divisors is an integer number (25373655).
Almost surely, 2540512520 is an apocalyptic number.
It is an amenable number.
540512520 is an abundant number, since it is smaller than the sum of its proper divisors (1083401400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
540512520 is a wasteful number, since it uses less digits than its factorization.
540512520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6614 (or 6610 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 540512520 is about 23248.9251364445. The cubic root of 540512520 is about 814.5828319074.
Adding to 540512520 its reverse (25215045), we get a palindrome (565727565).
The spelling of 540512520 in words is "five hundred forty million, five hundred twelve thousand, five hundred twenty".
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