530020 has 12 divisors (see below), whose sum is σ = 1113084. Its totient is φ = 212000.
The previous prime is 530017. The next prime is 530021. The reversal of 530020 is 20035.
It can be written as a sum of positive squares in 2 ways, for example, as 186624 + 343396 = 432^2 + 586^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 529979 and 530006.
It is not an unprimeable number, because it can be changed into a prime (530021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13231 + ... + 13270.
It is an arithmetic number, because the mean of its divisors is an integer number (92757).
2530020 is an apocalyptic number.
It is an amenable number.
530020 is an abundant number, since it is smaller than the sum of its proper divisors (583064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530020 is a wasteful number, since it uses less digits than its factorization.
530020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26510 (or 26508 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 10.
The square root of 530020 is about 728.0247248549. The cubic root of 530020 is about 80.9277412791.
Adding to 530020 its reverse (20035), we get a palindrome (550055).
The spelling of 530020 in words is "five hundred thirty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •