Base | Representation |
---|---|
bin | 1001101001000… |
… | …11110110101000 |
3 | 12122012111101112 |
4 | 10310203312220 |
5 | 131201342313 |
6 | 12005405452 |
7 | 2001346523 |
oct | 464436650 |
9 | 178174345 |
10 | 80887208 |
11 | 41727836 |
12 | 23109888 |
13 | 139b116c |
14 | aa57bba |
15 | 717b8a8 |
hex | 4d23da8 |
80887208 has 16 divisors (see below), whose sum is σ = 153007380. Its totient is φ = 40085248.
The previous prime is 80887193. The next prime is 80887211. The reversal of 80887208 is 80278808.
It can be written as a sum of positive squares in 2 ways, for example, as 46758244 + 34128964 = 6838^2 + 5842^2 .
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 3 ways as a sum of consecutive naturals, for example, 43835 + ... + 45642.
Almost surely, 280887208 is an apocalyptic number.
It is an amenable number.
80887208 is a deficient number, since it is larger than the sum of its proper divisors (72120172).
80887208 is a wasteful number, since it uses less digits than its factorization.
80887208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89596 (or 89592 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 41.
The square root of 80887208 is about 8993.7315948387. The cubic root of 80887208 is about 432.4739454384.
Subtracting from 80887208 its reverse (80278808), we obtain a square (608400 = 7802).
The spelling of 80887208 in words is "eighty million, eight hundred eighty-seven thousand, two hundred eight".
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