Base | Representation |
---|---|
bin | 10000001011111010101 |
3 | 222221120001 |
4 | 2001133111 |
5 | 113433024 |
6 | 15211301 |
7 | 4336216 |
oct | 2013725 |
9 | 887501 |
10 | 530389 |
11 | 332542 |
12 | 216b31 |
13 | 157552 |
14 | db40d |
15 | a7244 |
hex | 817d5 |
530389 has 2 divisors, whose sum is σ = 530390. Its totient is φ = 530388.
The previous prime is 530359. The next prime is 530393. The reversal of 530389 is 983035.
It is a happy number.
530389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 476100 + 54289 = 690^2 + 233^2 .
It is a cyclic number.
It is not a de Polignac number, because 530389 - 27 = 530261 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (530329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265194 + 265195.
It is an arithmetic number, because the mean of its divisors is an integer number (265195).
2530389 is an apocalyptic number.
It is an amenable number.
530389 is a deficient number, since it is larger than the sum of its proper divisors (1).
530389 is an equidigital number, since it uses as much as digits as its factorization.
530389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 28.
The square root of 530389 is about 728.2781062204. The cubic root of 530389 is about 80.9465175574.
It can be divided in two parts, 530 and 389, that added together give a palindrome (919).
The spelling of 530389 in words is "five hundred thirty thousand, three hundred eighty-nine".
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