Base | Representation |
---|---|
bin | 101001001101… |
… | …100010111001 |
3 | 202022212110101 |
4 | 221031202321 |
5 | 10231202020 |
6 | 1023315401 |
7 | 160553515 |
oct | 51154271 |
9 | 22285411 |
10 | 10803385 |
11 | 610981a |
12 | 374bb61 |
13 | 2313448 |
14 | 1613145 |
15 | e3600a |
hex | a4d8b9 |
10803385 has 4 divisors (see below), whose sum is σ = 12964068. Its totient is φ = 8642704.
The previous prime is 10803367. The next prime is 10803391. The reversal of 10803385 is 58330801.
10803385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58330801 = 7229 ⋅8069.
It can be written as a sum of positive squares in 2 ways, for example, as 1610361 + 9193024 = 1269^2 + 3032^2 .
It is a cyclic number.
It is not a de Polignac number, because 10803385 - 27 = 10803257 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080334 + ... + 1080343.
It is an arithmetic number, because the mean of its divisors is an integer number (3241017).
Almost surely, 210803385 is an apocalyptic number.
It is an amenable number.
10803385 is a deficient number, since it is larger than the sum of its proper divisors (2160683).
10803385 is an equidigital number, since it uses as much as digits as its factorization.
10803385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2160682.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 10803385 is about 3286.8503160321. The cubic root of 10803385 is about 221.0649809258.
It can be divided in two parts, 1080 and 3385, that added together give a triangular number (4465 = T94).
The spelling of 10803385 in words is "ten million, eight hundred three thousand, three hundred eighty-five".
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