Base | Representation |
---|---|
bin | 1000111100101… |
… | …10011101110101 |
3 | 12020020201002210 |
4 | 10132112131311 |
5 | 123204041310 |
6 | 11240524033 |
7 | 1601020665 |
oct | 436263565 |
9 | 166221083 |
10 | 75065205 |
11 | 39410666 |
12 | 21180619 |
13 | 127231a7 |
14 | 9d801a5 |
15 | 68cb820 |
hex | 4796775 |
75065205 has 16 divisors (see below), whose sum is σ = 120355200. Its totient is φ = 39951168.
The previous prime is 75065203. The next prime is 75065209. The reversal of 75065205 is 50256057.
It is not a de Polignac number, because 75065205 - 21 = 75065203 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75065201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571 + ... + 12519.
It is an arithmetic number, because the mean of its divisors is an integer number (7522200).
Almost surely, 275065205 is an apocalyptic number.
It is an amenable number.
75065205 is a deficient number, since it is larger than the sum of its proper divisors (45289995).
75065205 is a wasteful number, since it uses less digits than its factorization.
75065205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10460.
The product of its (nonzero) digits is 10500, while the sum is 30.
The square root of 75065205 is about 8664.0178323916. The cubic root of 75065205 is about 421.8385106437.
The spelling of 75065205 in words is "seventy-five million, sixty-five thousand, two hundred five".
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