Base | Representation |
---|---|
bin | 11111101000010… |
… | …110000101010001 |
3 | 1100222112211020221 |
4 | 133220112011101 |
5 | 2041322414110 |
6 | 124354033041 |
7 | 16102422403 |
oct | 3750260521 |
9 | 1328484227 |
10 | 530669905 |
11 | 252605177 |
12 | 129878781 |
13 | 85c32c7c |
14 | 5069ab73 |
15 | 318c57da |
hex | 1fa16151 |
530669905 has 32 divisors (see below), whose sum is σ = 682755840. Its totient is φ = 394813440.
The previous prime is 530669899. The next prime is 530669933. The reversal of 530669905 is 509966035.
It is a happy number.
It is not a de Polignac number, because 530669905 - 23 = 530669897 is a prime.
It is a super-2 number, since 2×5306699052 = 563221096145418050, which contains 22 as substring.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1888365 + ... + 1888645.
It is an arithmetic number, because the mean of its divisors is an integer number (21336120).
Almost surely, 2530669905 is an apocalyptic number.
It is an amenable number.
530669905 is a deficient number, since it is larger than the sum of its proper divisors (152085935).
530669905 is a wasteful number, since it uses less digits than its factorization.
530669905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 601.
The product of its (nonzero) digits is 218700, while the sum is 43.
The square root of 530669905 is about 23036.2736787007. The cubic root of 530669905 is about 809.6080535277.
The spelling of 530669905 in words is "five hundred thirty million, six hundred sixty-nine thousand, nine hundred five".
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