Base | Representation |
---|---|
bin | 110101100000… |
… | …0010101001111 |
3 | 1221210010102022 |
4 | 1223000111033 |
5 | 24140111032 |
6 | 2441120355 |
7 | 460266443 |
oct | 153002517 |
9 | 57703368 |
10 | 28050767 |
11 | 14919a58 |
12 | 94890bb |
13 | 5a719b4 |
14 | 3a22823 |
15 | 26e1512 |
hex | 1ac054f |
28050767 has 4 divisors (see below), whose sum is σ = 28405920. Its totient is φ = 27695616.
The previous prime is 28050733. The next prime is 28050769. The reversal of 28050767 is 76705082.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76705082 = 2 ⋅38352541.
It is a cyclic number.
It is not a de Polignac number, because 28050767 - 26 = 28050703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28050769) 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, 177458 + ... + 177615.
It is an arithmetic number, because the mean of its divisors is an integer number (7101480).
Almost surely, 228050767 is an apocalyptic number.
28050767 is a deficient number, since it is larger than the sum of its proper divisors (355153).
28050767 is an equidigital number, since it uses as much as digits as its factorization.
28050767 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355152.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 28050767 is about 5296.2974803158. The cubic root of 28050767 is about 303.8423084226.
The spelling of 28050767 in words is "twenty-eight million, fifty thousand, seven hundred sixty-seven".
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