Base | Representation |
---|---|
bin | 101001001110… |
… | …001111000111 |
3 | 202100000100012 |
4 | 221032033013 |
5 | 10231244330 |
6 | 1023340435 |
7 | 160565000 |
oct | 51161707 |
9 | 22300305 |
10 | 10806215 |
11 | 6110962 |
12 | 375171b |
13 | 2314814 |
14 | 16141a7 |
15 | e36c95 |
hex | a4e3c7 |
10806215 has 16 divisors (see below), whose sum is σ = 15124800. Its totient is φ = 7408800.
The previous prime is 10806181. The next prime is 10806221. The reversal of 10806215 is 51260801.
It is not a de Polignac number, because 10806215 - 28 = 10805959 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1436 + ... + 4865.
It is an arithmetic number, because the mean of its divisors is an integer number (945300).
Almost surely, 210806215 is an apocalyptic number.
10806215 is a deficient number, since it is larger than the sum of its proper divisors (4318585).
10806215 is an frugal number, since it uses more digits than its factorization.
10806215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6327 (or 6313 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 10806215 is about 3287.2807911707. The cubic root of 10806215 is about 221.0842822614.
The spelling of 10806215 in words is "ten million, eight hundred six thousand, two hundred fifteen".
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