Base | Representation |
---|---|
bin | 111001010001… |
… | …1000011101100 |
3 | 2002111120200121 |
4 | 1302203003230 |
5 | 30141344022 |
6 | 2551334324 |
7 | 513143140 |
oct | 162430354 |
9 | 62446617 |
10 | 30028012 |
11 | 15a4a543 |
12 | a0813a4 |
13 | 62b4971 |
14 | 3db9220 |
15 | 29822c7 |
hex | 1ca30ec |
30028012 has 12 divisors (see below), whose sum is σ = 60056080. Its totient is φ = 12869136.
The previous prime is 30028003. The next prime is 30028027. The reversal of 30028012 is 21082003.
It is a happy number.
30028012 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536187 + ... + 536242.
Almost surely, 230028012 is an apocalyptic number.
It is an amenable number.
30028012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30028012 is a wasteful number, since it uses less digits than its factorization.
30028012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1072440 (or 1072438 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 30028012 is about 5479.7821124567. The cubic root of 30028012 is about 310.8199313958.
The spelling of 30028012 in words is "thirty million, twenty-eight thousand, twelve".
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