Base | Representation |
---|---|
bin | 100010100110… |
… | …010011111100 |
3 | 122001210110021 |
4 | 202212103330 |
5 | 4310213240 |
6 | 522221524 |
7 | 140043424 |
oct | 42462374 |
9 | 18053407 |
10 | 9069820 |
11 | 5135321 |
12 | 30548a4 |
13 | 1b57376 |
14 | 12c1484 |
15 | be254a |
hex | 8a64fc |
9069820 has 24 divisors (see below), whose sum is σ = 19875744. Its totient is φ = 3470016.
The previous prime is 9069803. The next prime is 9069829. The reversal of 9069820 is 289609.
9069820 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9069829) 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, 9399 + ... + 10318.
It is an arithmetic number, because the mean of its divisors is an integer number (828156).
Almost surely, 29069820 is an apocalyptic number.
It is an amenable number.
9069820 is an abundant number, since it is smaller than the sum of its proper divisors (10805924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9069820 is a wasteful number, since it uses less digits than its factorization.
9069820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19749 (or 19747 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 9069820 is about 3011.6141851173. The cubic root of 9069820 is about 208.5448915831.
It can be divided in two parts, 9069 and 820, that added together give a palindrome (9889).
The spelling of 9069820 in words is "nine million, sixty-nine thousand, eight hundred twenty".
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