Base | Representation |
---|---|
bin | 11110111110100100100100 |
3 | 120021120101102 |
4 | 132332210210 |
5 | 4034324422 |
6 | 450015232 |
7 | 126011153 |
oct | 36764444 |
9 | 16246342 |
10 | 8120612 |
11 | 4647155 |
12 | 2877518 |
13 | 18b42c6 |
14 | 111559a |
15 | aa6192 |
hex | 7be924 |
8120612 has 12 divisors (see below), whose sum is σ = 14595420. Its totient is φ = 3950496.
The previous prime is 8120599. The next prime is 8120617. The reversal of 8120612 is 2160218.
It can be written as a sum of positive squares in 2 ways, for example, as 4024036 + 4096576 = 2006^2 + 2024^2 .
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (8120617) 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 3 ways as a sum of consecutive naturals, for example, 27287 + ... + 27582.
It is an arithmetic number, because the mean of its divisors is an integer number (1216285).
Almost surely, 28120612 is an apocalyptic number.
It is an amenable number.
8120612 is a deficient number, since it is larger than the sum of its proper divisors (6474808).
8120612 is a wasteful number, since it uses less digits than its factorization.
8120612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54910 (or 54908 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 8120612 is about 2849.6687526799. The cubic root of 8120612 is about 201.0000907568. Note that the first 4 decimals are identical.
It can be divided in two parts, 81206 and 12, that added together give a palindrome (81218).
The spelling of 8120612 in words is "eight million, one hundred twenty thousand, six hundred twelve".
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