Base | Representation |
---|---|
bin | 1111111000000001000 |
3 | 222102120200 |
4 | 1333000020 |
5 | 113121300 |
6 | 15052200 |
7 | 4264422 |
oct | 1770010 |
9 | 872520 |
10 | 520200 |
11 | 32591a |
12 | 211060 |
13 | 152a15 |
14 | d7812 |
15 | a4200 |
hex | 7f008 |
520200 has 108 divisors (see below), whose sum is σ = 1855815. Its totient is φ = 130560.
The previous prime is 520193. The next prime is 520213. The reversal of 520200 is 2025.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 338724 + 181476 = 582^2 + 426^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=510.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a nialpdrome in base 15.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520200.
It is an unprimeable number.
520200 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 30592 + ... + 30608.
2520200 is an apocalyptic number.
520200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 520200
520200 is an abundant number, since it is smaller than the sum of its proper divisors (1335615).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520200 is a wasteful number, since it uses less digits than its factorization.
520200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56 (or 27 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 9.
The square root of 520200 is about 721.2489168103. The cubic root of 520200 is about 80.4248234036.
Adding to 520200 its reverse (2025), we get a palindrome (522225).
The spelling of 520200 in words is "five hundred twenty thousand, two hundred".
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