Base | Representation |
---|---|
bin | 100011011001… |
… | …110100111110 |
3 | 122110111220110 |
4 | 203121310332 |
5 | 4333441310 |
6 | 530530450 |
7 | 141612546 |
oct | 43316476 |
9 | 18414813 |
10 | 9280830 |
11 | 5269909 |
12 | 3136a26 |
13 | 1bcc420 |
14 | 1338326 |
15 | c34d20 |
hex | 8d9d3e |
9280830 has 64 divisors (see below), whose sum is σ = 24494400. Its totient is φ = 2236416.
The previous prime is 9280829. The next prime is 9280837. The reversal of 9280830 is 380829.
It is a super-2 number, since 2×92808302 = 172267610977800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9280837) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20446 + ... + 20894.
It is an arithmetic number, because the mean of its divisors is an integer number (382725).
Almost surely, 29280830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9280830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12247200).
9280830 is an abundant number, since it is smaller than the sum of its proper divisors (15213570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9280830 is a wasteful number, since it uses less digits than its factorization.
9280830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 525.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 9280830 is about 3046.4454697237. The cubic root of 9280830 is about 210.1497797674.
The spelling of 9280830 in words is "nine million, two hundred eighty thousand, eight hundred thirty".
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