Base | Representation |
---|---|
bin | 11110111011001000100010 |
3 | 120020212001212 |
4 | 132323020202 |
5 | 4033402110 |
6 | 445430122 |
7 | 125622125 |
oct | 36731042 |
9 | 16225055 |
10 | 8106530 |
11 | 4637613 |
12 | 286b342 |
13 | 18aaa83 |
14 | 11103bc |
15 | aa1e05 |
hex | 7bb222 |
8106530 has 8 divisors (see below), whose sum is σ = 14591772. Its totient is φ = 3242608.
The previous prime is 8106529. The next prime is 8106533. The reversal of 8106530 is 356018.
It can be written as a sum of positive squares in 2 ways, for example, as 7656289 + 450241 = 2767^2 + 671^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 8106496 and 8106505.
It is not an unprimeable number, because it can be changed into a prime (8106533) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405317 + ... + 405336.
Almost surely, 28106530 is an apocalyptic number.
8106530 is a deficient number, since it is larger than the sum of its proper divisors (6485242).
8106530 is a wasteful number, since it uses less digits than its factorization.
8106530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810660.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 8106530 is about 2847.1968670958. The cubic root of 8106530 is about 200.8838383949.
The spelling of 8106530 in words is "eight million, one hundred six thousand, five hundred thirty".
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