Base | Representation |
---|---|
bin | 100010101101… |
… | …111011100100 |
3 | 122010101021010 |
4 | 202231323210 |
5 | 4312213103 |
6 | 523022220 |
7 | 140233416 |
oct | 42557344 |
9 | 18111233 |
10 | 9101028 |
11 | 5156812 |
12 | 306a970 |
13 | 1b68631 |
14 | 12cc9b6 |
15 | beb903 |
hex | 8adee4 |
9101028 has 24 divisors (see below), whose sum is σ = 21319200. Its totient is φ = 3021760.
The previous prime is 9101023. The next prime is 9101039. The reversal of 9101028 is 8201019.
It is a junction number, because it is equal to n+sod(n) for n = 9100995 and 9101013.
It is not an unprimeable number, because it can be changed into a prime (9101023) 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 7 ways as a sum of consecutive naturals, for example, 2023 + ... + 4721.
It is an arithmetic number, because the mean of its divisors is an integer number (888300).
Almost surely, 29101028 is an apocalyptic number.
It is an amenable number.
9101028 is an abundant number, since it is smaller than the sum of its proper divisors (12218172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9101028 is a wasteful number, since it uses less digits than its factorization.
9101028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 9101028 is about 3016.7910103287. The cubic root of 9101028 is about 208.7838091701.
Subtracting from 9101028 its reverse (8201019), we obtain a palindrome (900009).
The spelling of 9101028 in words is "nine million, one hundred one thousand, twenty-eight".
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