Base | Representation |
---|---|
bin | 110101101011… |
… | …0011000001011 |
3 | 1221221201021202 |
4 | 1223112120023 |
5 | 24201003232 |
6 | 2443054415 |
7 | 461123633 |
oct | 153263013 |
9 | 57851252 |
10 | 28141067 |
11 | 14980889 |
12 | 951140b |
13 | 5aa3b26 |
14 | 3a476c3 |
15 | 270d162 |
hex | 1ad660b |
28141067 has 4 divisors (see below), whose sum is σ = 28480200. Its totient is φ = 27801936.
The previous prime is 28141051. The next prime is 28141073. The reversal of 28141067 is 76014182.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76014182 = 2 ⋅38007091.
It is a cyclic number.
It is not a de Polignac number, because 28141067 - 24 = 28141051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28141007) 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 in 3 ways as a sum of consecutive naturals, for example, 169442 + ... + 169607.
It is an arithmetic number, because the mean of its divisors is an integer number (7120050).
Almost surely, 228141067 is an apocalyptic number.
28141067 is a deficient number, since it is larger than the sum of its proper divisors (339133).
28141067 is an equidigital number, since it uses as much as digits as its factorization.
28141067 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339132.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 28141067 is about 5304.8154539060. The cubic root of 28141067 is about 304.1679985263.
The spelling of 28141067 in words is "twenty-eight million, one hundred forty-one thousand, sixty-seven".
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