Base | Representation |
---|---|
bin | 111010101000… |
… | …0111000110000 |
3 | 2010211202101010 |
4 | 1311100320300 |
5 | 30332140031 |
6 | 3014510520 |
7 | 522200016 |
oct | 165207060 |
9 | 63752333 |
10 | 30740016 |
11 | 1639647a |
12 | a365440 |
13 | 64a3a78 |
14 | 41228b6 |
15 | 2a73246 |
hex | 1d50e30 |
30740016 has 40 divisors (see below), whose sum is σ = 79619904. Its totient is φ = 10219840.
The previous prime is 30740011. The next prime is 30740033. The reversal of 30740016 is 61004703.
It is a junction number, because it is equal to n+sod(n) for n = 30739974 and 30740001.
It is not an unprimeable number, because it can be changed into a prime (30740011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27631 + ... + 28721.
Almost surely, 230740016 is an apocalyptic number.
It is an amenable number.
30740016 is an abundant number, since it is smaller than the sum of its proper divisors (48879888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30740016 is a wasteful number, since it uses less digits than its factorization.
30740016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1689 (or 1683 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 30740016 is about 5544.3679531575. The cubic root of 30740016 is about 313.2574173508.
Adding to 30740016 its reverse (61004703), we get a palindrome (91744719).
The spelling of 30740016 in words is "thirty million, seven hundred forty thousand, sixteen".
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