Base | Representation |
---|---|
bin | 100110111100… |
… | …010010000010 |
3 | 201012122021101 |
4 | 212330102002 |
5 | 10103132021 |
6 | 1002445014 |
7 | 152525026 |
oct | 46742202 |
9 | 21178241 |
10 | 10208386 |
11 | 5842791 |
12 | 350376a |
13 | 2165686 |
14 | 14da386 |
15 | d69a91 |
hex | 9bc482 |
10208386 has 4 divisors (see below), whose sum is σ = 15312582. Its totient is φ = 5104192.
The previous prime is 10208333. The next prime is 10208399. The reversal of 10208386 is 68380201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68380201 = 653 ⋅104717.
It can be written as a sum of positive squares in only one way, i.e., 10208025 + 361 = 3195^2 + 19^2 .
It is a super-2 number, since 2×102083862 = 208422289449992, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552095 + ... + 2552098.
Almost surely, 210208386 is an apocalyptic number.
10208386 is a deficient number, since it is larger than the sum of its proper divisors (5104196).
10208386 is an equidigital number, since it uses as much as digits as its factorization.
10208386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5104195.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 10208386 is about 3195.0564940232. The cubic root of 10208386 is about 216.9297060432.
Adding to 10208386 its reverse (68380201), we get a palindrome (78588587).
The spelling of 10208386 in words is "ten million, two hundred eight thousand, three hundred eighty-six".
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