Base | Representation |
---|---|
bin | 111010001110… |
… | …1101000100100 |
3 | 2010110002101212 |
4 | 1310131220210 |
5 | 30303430314 |
6 | 3010210552 |
7 | 520333664 |
oct | 164355044 |
9 | 63402355 |
10 | 30530084 |
11 | 16262782 |
12 | a283a58 |
13 | 642c350 |
14 | 40aa1a4 |
15 | 2a30e3e |
hex | 1d1da24 |
30530084 has 12 divisors (see below), whose sum is σ = 57537564. Its totient is φ = 14090784.
The previous prime is 30530077. The next prime is 30530089. The reversal of 30530084 is 48003503.
It can be written as a sum of positive squares in 2 ways, for example, as 20430400 + 10099684 = 4520^2 + 3178^2 .
It is not an unprimeable number, because it can be changed into a prime (30530089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293507 + ... + 293610.
It is an arithmetic number, because the mean of its divisors is an integer number (4794797).
Almost surely, 230530084 is an apocalyptic number.
It is an amenable number.
30530084 is a deficient number, since it is larger than the sum of its proper divisors (27007480).
30530084 is a wasteful number, since it uses less digits than its factorization.
30530084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 587134 (or 587132 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 30530084 is about 5525.4035146766. The cubic root of 30530084 is about 312.5426808904.
Adding to 30530084 its reverse (48003503), we get a palindrome (78533587).
The spelling of 30530084 in words is "thirty million, five hundred thirty thousand, eighty-four".
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