Base | Representation |
---|---|
bin | 111001001110… |
… | …0110001001000 |
3 | 2002110021100101 |
4 | 1302130301020 |
5 | 30140032443 |
6 | 2551015144 |
7 | 513005053 |
oct | 162346110 |
9 | 62407311 |
10 | 30002248 |
11 | 15a32151 |
12 | a06a4b4 |
13 | 62a6013 |
14 | 3dada9a |
15 | 297984d |
hex | 1c9cc48 |
30002248 has 16 divisors (see below), whose sum is σ = 56363580. Its totient is φ = 14971968.
The previous prime is 30002239. The next prime is 30002249. The reversal of 30002248 is 84220003.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 29615364 + 386884 = 5442^2 + 622^2 .
It is not an unprimeable number, because it can be changed into a prime (30002249) 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 3 ways as a sum of consecutive naturals, for example, 1090 + ... + 7822.
Almost surely, 230002248 is an apocalyptic number.
It is an amenable number.
30002248 is a deficient number, since it is larger than the sum of its proper divisors (26361332).
30002248 is a wasteful number, since it uses less digits than its factorization.
30002248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7296 (or 7292 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 30002248 is about 5477.4307845924. The cubic root of 30002248 is about 310.7310115778.
The spelling of 30002248 in words is "thirty million, two thousand, two hundred forty-eight".
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