Base | Representation |
---|---|
bin | 11111010000000000010100 |
3 | 120102012100011 |
4 | 133100000110 |
5 | 4044121040 |
6 | 451330004 |
7 | 126426304 |
oct | 37200024 |
9 | 16365304 |
10 | 8192020 |
11 | 4695871 |
12 | 28b0904 |
13 | 190a965 |
14 | 1133604 |
15 | abc3ea |
hex | 7d0014 |
8192020 has 24 divisors (see below), whose sum is σ = 17325000. Its totient is φ = 3253632.
The previous prime is 8192003. The next prime is 8192033. The reversal of 8192020 is 202918.
It can be written as a sum of positive squares in 4 ways, for example, as 103684 + 8088336 = 322^2 + 2844^2 .
It is a junction number, because it is equal to n+sod(n) for n = 8191982 and 8192000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606 + ... + 4354.
It is an arithmetic number, because the mean of its divisors is an integer number (721875).
Almost surely, 28192020 is an apocalyptic number.
It is an amenable number.
8192020 is an abundant number, since it is smaller than the sum of its proper divisors (9132980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8192020 is a wasteful number, since it uses less digits than its factorization.
8192020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2907 (or 2905 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 8192020 is about 2862.1705050538. The cubic root of 8192020 is about 201.5875320353.
Adding to 8192020 its reverse (202918), we get a palindrome (8394938).
It can be divided in two parts, 81920 and 20, that multiplied together give a square (1638400 = 12802).
The spelling of 8192020 in words is "eight million, one hundred ninety-two thousand, twenty".
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