Base | Representation |
---|---|
bin | 11111101010100… |
… | …011110010011010 |
3 | 1101000122022110011 |
4 | 133222203302122 |
5 | 2042000002310 |
6 | 124414312134 |
7 | 16110360532 |
oct | 3752436232 |
9 | 1330568404 |
10 | 531250330 |
11 | 252971266 |
12 | 129ab864a |
13 | 860a7210 |
14 | 507ac4c2 |
15 | 3198c78a |
hex | 1faa3c9a |
531250330 has 32 divisors (see below), whose sum is σ = 1030852368. Its totient is φ = 195955200.
The previous prime is 531250319. The next prime is 531250331. The reversal of 531250330 is 33052135.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 41203561 + 490046769 = 6419^2 + 22137^2 .
It is not an unprimeable number, because it can be changed into a prime (531250331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209470 + ... + 211990.
Almost surely, 2531250330 is an apocalyptic number.
531250330 is a deficient number, since it is larger than the sum of its proper divisors (499602038).
531250330 is a wasteful number, since it uses less digits than its factorization.
531250330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4162.
The product of its (nonzero) digits is 1350, while the sum is 22.
The square root of 531250330 is about 23048.8683019362. The cubic root of 531250330 is about 809.9031180169.
The spelling of 531250330 in words is "five hundred thirty-one million, two hundred fifty thousand, three hundred thirty".
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