Base | Representation |
---|---|
bin | 1001010011100… |
… | …01000110011011 |
3 | 12102212202021201 |
4 | 10221301012123 |
5 | 124440323013 |
6 | 11425015031 |
7 | 1635324001 |
oct | 451610633 |
9 | 172782251 |
10 | 78057883 |
11 | 40075052 |
12 | 22184477 |
13 | 132303c7 |
14 | a51ca71 |
15 | 6cbd3dd |
hex | 4a7119b |
78057883 has 8 divisors (see below), whose sum is σ = 82096128. Its totient is φ = 74073384.
The previous prime is 78057877. The next prime is 78057887. The reversal of 78057883 is 38875087.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78057883 - 25 = 78057851 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78057887) 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 7 ways as a sum of consecutive naturals, for example, 10441 + ... + 16282.
It is an arithmetic number, because the mean of its divisors is an integer number (10262016).
Almost surely, 278057883 is an apocalyptic number.
78057883 is a deficient number, since it is larger than the sum of its proper divisors (4038245).
78057883 is a wasteful number, since it uses less digits than its factorization.
78057883 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26873.
The product of its (nonzero) digits is 376320, while the sum is 46.
The square root of 78057883 is about 8835.0372381785. The cubic root of 78057883 is about 427.3715319096.
The spelling of 78057883 in words is "seventy-eight million, fifty-seven thousand, eight hundred eighty-three".
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