Base | Representation |
---|---|
bin | 11111000000111110100110 |
3 | 120022001220112 |
4 | 133000332212 |
5 | 4040133340 |
6 | 450133022 |
7 | 126051665 |
oct | 37007646 |
9 | 16261815 |
10 | 8130470 |
11 | 46535a7 |
12 | 2881172 |
13 | 18b893a |
14 | 1118ddc |
15 | aa9065 |
hex | 7c0fa6 |
8130470 has 16 divisors (see below), whose sum is σ = 14674608. Its totient is φ = 3243360.
The previous prime is 8130449. The next prime is 8130509. The reversal of 8130470 is 740318.
It is a happy number.
It is a super-2 number, since 2×81304702 = 132209084841800, which contains 22 as substring.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
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, 3800 + ... + 5540.
It is an arithmetic number, because the mean of its divisors is an integer number (917163).
Almost surely, 28130470 is an apocalyptic number.
8130470 is a deficient number, since it is larger than the sum of its proper divisors (6544138).
8130470 is a wasteful number, since it uses less digits than its factorization.
8130470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2215.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 8130470 is about 2851.3979027838. The cubic root of 8130470 is about 201.0813924140.
Adding to 8130470 its reverse (740318), we get a palindrome (8870788).
The spelling of 8130470 in words is "eight million, one hundred thirty thousand, four hundred seventy".
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