Base | Representation |
---|---|
bin | 11111100110100… |
… | …111000111111100 |
3 | 1100221200201211011 |
4 | 133212213013330 |
5 | 2041213343140 |
6 | 124340205004 |
7 | 16065520360 |
oct | 3746470774 |
9 | 1327621734 |
10 | 530215420 |
11 | 252324769 |
12 | 129699764 |
13 | 85b04147 |
14 | 505bd2a0 |
15 | 31835cea |
hex | 1f9a71fc |
530215420 has 48 divisors (see below), whose sum is σ = 1275563520. Its totient is φ = 181353024.
The previous prime is 530215391. The next prime is 530215423. The reversal of 530215420 is 24512035.
It is a super-2 number, since 2×5302154202 = 562256783211552800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 530215391 and 530215400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530215423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57147 + ... + 65773.
It is an arithmetic number, because the mean of its divisors is an integer number (26574240).
Almost surely, 2530215420 is an apocalyptic number.
It is an amenable number.
530215420 is an abundant number, since it is smaller than the sum of its proper divisors (745348100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530215420 is a wasteful number, since it uses less digits than its factorization.
530215420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9082 (or 9080 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 530215420 is about 23026.4070145561. The cubic root of 530215420 is about 809.3768615909.
Adding to 530215420 its reverse (24512035), we get a palindrome (554727455).
The spelling of 530215420 in words is "five hundred thirty million, two hundred fifteen thousand, four hundred twenty".
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