Base | Representation |
---|---|
bin | 1111111000000011111 |
3 | 222102121112 |
4 | 1333000133 |
5 | 113121343 |
6 | 15052235 |
7 | 4264454 |
oct | 1770037 |
9 | 872545 |
10 | 520223 |
11 | 325940 |
12 | 21107b |
13 | 152a32 |
14 | d782b |
15 | a4218 |
hex | 7f01f |
520223 has 4 divisors (see below), whose sum is σ = 567528. Its totient is φ = 472920.
The previous prime is 520213. The next prime is 520241. The reversal of 520223 is 322025.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 520223 - 212 = 516127 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 520198 and 520207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23636 + ... + 23657.
It is an arithmetic number, because the mean of its divisors is an integer number (141882).
2520223 is an apocalyptic number.
520223 is a deficient number, since it is larger than the sum of its proper divisors (47305).
520223 is a wasteful number, since it uses less digits than its factorization.
520223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47304.
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 520223 is about 721.2648611987. The cubic root of 520223 is about 80.4260086808.
Adding to 520223 its reverse (322025), we get a palindrome (842248).
It can be divided in two parts, 52022 and 3, that added together give a palindrome (52025).
The spelling of 520223 in words is "five hundred twenty thousand, two hundred twenty-three".
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