Base | Representation |
---|---|
bin | 11111100110111… |
… | …111011111101000 |
3 | 1100221212210202012 |
4 | 133212333133220 |
5 | 2041230041430 |
6 | 124342255052 |
7 | 16066414400 |
oct | 3746773750 |
9 | 1327783665 |
10 | 530315240 |
11 | 252392764 |
12 | 129727488 |
13 | 85b3a700 |
14 | 50607800 |
15 | 31855695 |
hex | 1f9bf7e8 |
530315240 has 144 divisors (see below), whose sum is σ = 1503941580. Its totient is φ = 167731200.
The previous prime is 530315237. The next prime is 530315249. The reversal of 530315240 is 42513035.
It can be written as a sum of positive squares in 6 ways, for example, as 215678596 + 314636644 = 14686^2 + 17738^2 .
It is not an unprimeable number, because it can be changed into a prime (530315249) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 330440 + ... + 332040.
Almost surely, 2530315240 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 530315240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751970790).
530315240 is an abundant number, since it is smaller than the sum of its proper divisors (973626340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530315240 is a wasteful number, since it uses less digits than its factorization.
530315240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1652 (or 1628 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 530315240 is about 23028.5744239629. The cubic root of 530315240 is about 809.4276503369.
Adding to 530315240 its reverse (42513035), we get a palindrome (572828275).
The spelling of 530315240 in words is "five hundred thirty million, three hundred fifteen thousand, two hundred forty".
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