Base | Representation |
---|---|
bin | 110111000110… |
… | …1101110011111 |
3 | 2000100212110102 |
4 | 1232031232133 |
5 | 24344021223 |
6 | 2511131315 |
7 | 500402264 |
oct | 156155637 |
9 | 60325412 |
10 | 28892063 |
11 | 15344042 |
12 | 9813b3b |
13 | 5ca78c5 |
14 | 3ba126b |
15 | 280a928 |
hex | 1b8db9f |
28892063 has 4 divisors (see below), whose sum is σ = 28922040. Its totient is φ = 28862088.
The previous prime is 28892057. The next prime is 28892069. The reversal of 28892063 is 36029882.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (28892057) and next prime (28892069).
It is a cyclic number.
It is not a de Polignac number, because 28892063 - 26 = 28891999 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 (28892069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13493 + ... + 15486.
It is an arithmetic number, because the mean of its divisors is an integer number (7230510).
Almost surely, 228892063 is an apocalyptic number.
28892063 is a deficient number, since it is larger than the sum of its proper divisors (29977).
28892063 is an equidigital number, since it uses as much as digits as its factorization.
28892063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29976.
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 28892063 is about 5375.1337657774. The cubic root of 28892063 is about 306.8500401134.
The spelling of 28892063 in words is "twenty-eight million, eight hundred ninety-two thousand, sixty-three".
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