Base | Representation |
---|---|
bin | 1001101000000… |
… | …10011001111101 |
3 | 12121221112110100 |
4 | 10310002121331 |
5 | 131133001310 |
6 | 12002431313 |
7 | 2000236224 |
oct | 464023175 |
9 | 177845410 |
10 | 80750205 |
11 | 41643908 |
12 | 23062539 |
13 | 139639b3 |
14 | aa1dcbb |
15 | 7150ec0 |
hex | 4d0267d |
80750205 has 24 divisors (see below), whose sum is σ = 140519808. Its totient is φ = 42896736.
The previous prime is 80750203. The next prime is 80750227. The reversal of 80750205 is 50205708.
It is a happy number.
It is not a de Polignac number, because 80750205 - 21 = 80750203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80750203) 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 23 ways as a sum of consecutive naturals, for example, 8424 + ... + 15246.
It is an arithmetic number, because the mean of its divisors is an integer number (5854992).
Almost surely, 280750205 is an apocalyptic number.
It is an amenable number.
80750205 is a deficient number, since it is larger than the sum of its proper divisors (59769603).
80750205 is a wasteful number, since it uses less digits than its factorization.
80750205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7097 (or 7094 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 80750205 is about 8986.1117843036. Note that the first 3 decimals coincide. The cubic root of 80750205 is about 432.2296393539.
The spelling of 80750205 in words is "eighty million, seven hundred fifty thousand, two hundred five".
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