Base | Representation |
---|---|
bin | 111001010110… |
… | …0000111111010 |
3 | 2002120110121221 |
4 | 1302230013322 |
5 | 30144041041 |
6 | 2552222254 |
7 | 513356326 |
oct | 162540772 |
9 | 62513557 |
10 | 30065146 |
11 | 15a75431 |
12 | a09a98a |
13 | 62c8837 |
14 | 3dc8986 |
15 | 298d2d1 |
hex | 1cac1fa |
30065146 has 8 divisors (see below), whose sum is σ = 47750580. Its totient is φ = 14148288.
The previous prime is 30065137. The next prime is 30065149. The reversal of 30065146 is 64156003.
It can be written as a sum of positive squares in 2 ways, for example, as 27678121 + 2387025 = 5261^2 + 1545^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30065146.
It is not an unprimeable number, because it can be changed into a prime (30065149) 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, 442101 + ... + 442168.
Almost surely, 230065146 is an apocalyptic number.
30065146 is a deficient number, since it is larger than the sum of its proper divisors (17685434).
30065146 is a wasteful number, since it uses less digits than its factorization.
30065146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 884288.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 30065146 is about 5483.1693389863. The cubic root of 30065146 is about 310.9480032865.
The spelling of 30065146 in words is "thirty million, sixty-five thousand, one hundred forty-six".
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