Base | Representation |
---|---|
bin | 110110010000… |
… | …1110100010011 |
3 | 1222112102011012 |
4 | 1230201310103 |
5 | 24240400232 |
6 | 2453441135 |
7 | 463551542 |
oct | 154416423 |
9 | 58472135 |
10 | 28450067 |
11 | 15071a58 |
12 | 96401ab |
13 | 5b81679 |
14 | 3ac8159 |
15 | 276e9b2 |
hex | 1b21d13 |
28450067 has 2 divisors, whose sum is σ = 28450068. Its totient is φ = 28450066.
The previous prime is 28450031. The next prime is 28450069. The reversal of 28450067 is 76005482.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28450067 - 212 = 28445971 is a prime.
Together with 28450069, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (28450069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14225033 + 14225034.
It is an arithmetic number, because the mean of its divisors is an integer number (14225034).
Almost surely, 228450067 is an apocalyptic number.
28450067 is a deficient number, since it is larger than the sum of its proper divisors (1).
28450067 is an equidigital number, since it uses as much as digits as its factorization.
28450067 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 28450067 is about 5333.8604218708. The cubic root of 28450067 is about 305.2772432082.
The spelling of 28450067 in words is "twenty-eight million, four hundred fifty thousand, sixty-seven".
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