Base | Representation |
---|---|
bin | 1001010011010… |
… | …01111110001011 |
3 | 12102211021020020 |
4 | 10221221332023 |
5 | 124433404213 |
6 | 11424231523 |
7 | 1635142605 |
oct | 451517613 |
9 | 172737206 |
10 | 78028683 |
11 | 40055117 |
12 | 2216b5a3 |
13 | 13220025 |
14 | a512175 |
15 | 6cb4923 |
hex | 4a69f8b |
78028683 has 8 divisors (see below), whose sum is σ = 104079168. Its totient is φ = 51998664.
The previous prime is 78028679. The next prime is 78028697. The reversal of 78028683 is 38682087.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 78028683 - 22 = 78028679 is a prime.
It is not an unprimeable number, because it can be changed into a prime (78028603) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11416 + ... + 16922.
It is an arithmetic number, because the mean of its divisors is an integer number (13009896).
Almost surely, 278028683 is an apocalyptic number.
78028683 is a deficient number, since it is larger than the sum of its proper divisors (26050485).
78028683 is a wasteful number, since it uses less digits than its factorization.
78028683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10233.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 78028683 is about 8833.3845721784. The cubic root of 78028683 is about 427.3182346868.
The spelling of 78028683 in words is "seventy-eight million, twenty-eight thousand, six hundred eighty-three".
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