Base | Representation |
---|---|
bin | 11111011001010111000100 |
3 | 120111010220102 |
4 | 133121113010 |
5 | 4101332330 |
6 | 452223232 |
7 | 126646106 |
oct | 37312704 |
9 | 16433812 |
10 | 8230340 |
11 | 4711638 |
12 | 290ab18 |
13 | 1922231 |
14 | 1143576 |
15 | ac8945 |
hex | 7d95c4 |
8230340 has 24 divisors (see below), whose sum is σ = 17707032. Its totient is φ = 3211520.
The previous prime is 8230331. The next prime is 8230349. The reversal of 8230340 is 430328.
It is an interprime number because it is at equal distance from previous prime (8230331) and next prime (8230349).
It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 8213956 = 128^2 + 2866^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (8230349) 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, 4199 + ... + 5838.
It is an arithmetic number, because the mean of its divisors is an integer number (737793).
Almost surely, 28230340 is an apocalyptic number.
It is an amenable number.
8230340 is an abundant number, since it is smaller than the sum of its proper divisors (9476692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8230340 is a wasteful number, since it uses less digits than its factorization.
8230340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10087 (or 10085 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 8230340 is about 2868.8569152190. The cubic root of 8230340 is about 201.9013667408.
Adding to 8230340 its reverse (430328), we get a palindrome (8660668).
The spelling of 8230340 in words is "eight million, two hundred thirty thousand, three hundred forty".
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