Base | Representation |
---|---|
bin | 100010101101… |
… | …111011011100 |
3 | 122010101020211 |
4 | 202231323130 |
5 | 4312213040 |
6 | 523022204 |
7 | 140233405 |
oct | 42557334 |
9 | 18111224 |
10 | 9101020 |
11 | 5156805 |
12 | 306a964 |
13 | 1b68626 |
14 | 12cc9ac |
15 | beb8ea |
hex | 8adedc |
9101020 has 24 divisors (see below), whose sum is σ = 19286064. Its totient is φ = 3607296.
The previous prime is 9101003. The next prime is 9101023. The reversal of 9101020 is 201019.
9101020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9101023) 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, 247 + ... + 4273.
It is an arithmetic number, because the mean of its divisors is an integer number (803586).
Almost surely, 29101020 is an apocalyptic number.
It is an amenable number.
9101020 is an abundant number, since it is smaller than the sum of its proper divisors (10185044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9101020 is a wasteful number, since it uses less digits than its factorization.
9101020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4149 (or 4147 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 9101020 is about 3016.7896844162. The cubic root of 9101020 is about 208.7837479949.
Adding to 9101020 its reverse (201019), we get a palindrome (9302039).
The spelling of 9101020 in words is "nine million, one hundred one thousand, twenty".
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