Base | Representation |
---|---|
bin | 101001001111… |
… | …110110101101 |
3 | 202100100102202 |
4 | 221033312231 |
5 | 10232002340 |
6 | 1023431245 |
7 | 160623221 |
oct | 51176655 |
9 | 22310382 |
10 | 10812845 |
11 | 611593a |
12 | 3755525 |
13 | 2317844 |
14 | 1616781 |
15 | e38c15 |
hex | a4fdad |
10812845 has 4 divisors (see below), whose sum is σ = 12975420. Its totient is φ = 8650272.
The previous prime is 10812839. The next prime is 10812859. The reversal of 10812845 is 54821801.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54821801 = 907 ⋅60443.
It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 8779369 = 1426^2 + 2963^2 .
It is a cyclic number.
It is not a de Polignac number, because 10812845 - 28 = 10812589 is a prime.
It is a Curzon number.
It is a congruent 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, 1081280 + ... + 1081289.
It is an arithmetic number, because the mean of its divisors is an integer number (3243855).
Almost surely, 210812845 is an apocalyptic number.
It is an amenable number.
10812845 is a deficient number, since it is larger than the sum of its proper divisors (2162575).
10812845 is an equidigital number, since it uses as much as digits as its factorization.
10812845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2162574.
The product of its (nonzero) digits is 2560, while the sum is 29.
The square root of 10812845 is about 3288.2890688016. The cubic root of 10812845 is about 221.1294873932.
The spelling of 10812845 in words is "ten million, eight hundred twelve thousand, eight hundred forty-five".
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