Base | Representation |
---|---|
bin | 100010011010… |
… | …011011001001 |
3 | 121222022122220 |
4 | 202122123021 |
5 | 4302134004 |
6 | 521204253 |
7 | 136451445 |
oct | 42323311 |
9 | 17868586 |
10 | 9021129 |
11 | 5101787 |
12 | 3030689 |
13 | 1b3b160 |
14 | 12ab825 |
15 | bd2dd9 |
hex | 89a6c9 |
9021129 has 32 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 5203968.
The previous prime is 9021127. The next prime is 9021137. The reversal of 9021129 is 9211209.
It is not a de Polignac number, because 9021129 - 21 = 9021127 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 9021099 and 9021108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9021127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79777 + ... + 79889.
It is an arithmetic number, because the mean of its divisors is an integer number (430920).
Almost surely, 29021129 is an apocalyptic number.
It is an amenable number.
9021129 is a deficient number, since it is larger than the sum of its proper divisors (4768311).
9021129 is a wasteful number, since it uses less digits than its factorization.
9021129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 241.
The product of its (nonzero) digits is 324, while the sum is 24.
The square root of 9021129 is about 3003.5194355955. The cubic root of 9021129 is about 208.1710332033.
The spelling of 9021129 in words is "nine million, twenty-one thousand, one hundred twenty-nine".
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