Base | Representation |
---|---|
bin | 10000001011100100101 |
3 | 222221022112 |
4 | 2001130211 |
5 | 113431323 |
6 | 15210405 |
7 | 4335545 |
oct | 2013445 |
9 | 887275 |
10 | 530213 |
11 | 3323a2 |
12 | 216a05 |
13 | 157448 |
14 | db325 |
15 | a7178 |
hex | 81725 |
530213 has 4 divisors (see below), whose sum is σ = 561420. Its totient is φ = 499008.
The previous prime is 530209. The next prime is 530227. The reversal of 530213 is 312035.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 214369 + 315844 = 463^2 + 562^2 .
It is a cyclic number.
It is not a de Polignac number, because 530213 - 22 = 530209 is a prime.
It is a super-2 number, since 2×5302132 = 562251650738, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530203) 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, 15578 + ... + 15611.
It is an arithmetic number, because the mean of its divisors is an integer number (140355).
2530213 is an apocalyptic number.
It is an amenable number.
530213 is a deficient number, since it is larger than the sum of its proper divisors (31207).
530213 is a wasteful number, since it uses less digits than its factorization.
530213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31206.
The product of its (nonzero) digits is 90, while the sum is 14.
The square root of 530213 is about 728.1572632337. The cubic root of 530213 is about 80.9375630208.
Adding to 530213 its reverse (312035), we get a palindrome (842248).
The spelling of 530213 in words is "five hundred thirty thousand, two hundred thirteen".
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