Base | Representation |
---|---|
bin | 10000001011111111111 |
3 | 222221121121 |
4 | 2001133333 |
5 | 113433211 |
6 | 15211411 |
7 | 4336306 |
oct | 2013777 |
9 | 887547 |
10 | 530431 |
11 | 332580 |
12 | 216b67 |
13 | 157585 |
14 | db43d |
15 | a7271 |
hex | 817ff |
530431 has 4 divisors (see below), whose sum is σ = 578664. Its totient is φ = 482200.
The previous prime is 530429. The next prime is 530443. The reversal of 530431 is 134035.
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 530431 - 21 = 530429 is a prime.
It is a super-2 number, since 2×5304312 = 562714091522, which contains 22 as substring.
It is an Ulam number.
It is a Duffinian number.
530431 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24100 + ... + 24121.
It is an arithmetic number, because the mean of its divisors is an integer number (144666).
2530431 is an apocalyptic number.
530431 is a deficient number, since it is larger than the sum of its proper divisors (48233).
530431 is a wasteful number, since it uses less digits than its factorization.
530431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48232.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 530431 is about 728.3069407880. The cubic root of 530431 is about 80.9486541427.
Adding to 530431 its reverse (134035), we get a palindrome (664466).
It can be divided in two parts, 5304 and 31, that added together give a palindrome (5335).
The spelling of 530431 in words is "five hundred thirty thousand, four hundred thirty-one".
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