Base | Representation |
---|---|
bin | 1001101000111… |
… | …11010000101010 |
3 | 12122011112120201 |
4 | 10310133100222 |
5 | 131200242034 |
6 | 12005142414 |
7 | 2001240625 |
oct | 464372052 |
9 | 178145521 |
10 | 80868394 |
11 | 41714692 |
12 | 230baa0a |
13 | 139a5729 |
14 | aa50dbc |
15 | 7176014 |
hex | 4d1f42a |
80868394 has 16 divisors (see below), whose sum is σ = 123288480. Its totient is φ = 39776560.
The previous prime is 80868383. The next prime is 80868401. The reversal of 80868394 is 49386808.
It is an unprimeable number.
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, 43749 + ... + 45559.
It is an arithmetic number, because the mean of its divisors is an integer number (7705530).
Almost surely, 280868394 is an apocalyptic number.
80868394 is a deficient number, since it is larger than the sum of its proper divisors (42420086).
80868394 is a wasteful number, since it uses less digits than its factorization.
80868394 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2165.
The product of its (nonzero) digits is 331776, while the sum is 46.
The square root of 80868394 is about 8992.6855832949. The cubic root of 80868394 is about 432.4404123416.
The spelling of 80868394 in words is "eighty million, eight hundred sixty-eight thousand, three hundred ninety-four".
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