Base | Representation |
---|---|
bin | 111001010011… |
… | …1001101011000 |
3 | 2002112110000101 |
4 | 1302213031120 |
5 | 30142420031 |
6 | 2551545144 |
7 | 513243541 |
oct | 162471530 |
9 | 62473011 |
10 | 30045016 |
11 | 15a612a1 |
12 | a08b1b4 |
13 | 62bc621 |
14 | 3dc14c8 |
15 | 2987361 |
hex | 1ca7358 |
30045016 has 8 divisors (see below), whose sum is σ = 56334420. Its totient is φ = 15022504.
The previous prime is 30045007. The next prime is 30045019. The reversal of 30045016 is 61054003.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 30044984 and 30045002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30045019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1877806 + ... + 1877821.
Almost surely, 230045016 is an apocalyptic number.
It is an amenable number.
30045016 is a deficient number, since it is larger than the sum of its proper divisors (26289404).
30045016 is a wasteful number, since it uses less digits than its factorization.
30045016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3755633 (or 3755629 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 30045016 is about 5481.3334144166. Note that the first 3 decimals coincide. The cubic root of 30045016 is about 310.8785897890.
Adding to 30045016 its reverse (61054003), we get a palindrome (91099019).
The spelling of 30045016 in words is "thirty million, forty-five thousand, sixteen".
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