Base | Representation |
---|---|
bin | 101001001101… |
… | …111100111001 |
3 | 202022221202000 |
4 | 221031330321 |
5 | 10231230144 |
6 | 1023331213 |
7 | 160561413 |
oct | 51157471 |
9 | 22287660 |
10 | 10805049 |
11 | 610aaa2 |
12 | 3750b09 |
13 | 2314128 |
14 | 16139b3 |
15 | e36769 |
hex | a4df39 |
10805049 has 8 divisors (see below), whose sum is σ = 16007520. Its totient is φ = 7203348.
The previous prime is 10805029. The next prime is 10805059. The reversal of 10805049 is 94050801.
It is not a de Polignac number, because 10805049 - 28 = 10804793 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 400187 = 10805049 / (1 + 0 + 8 + 0 + 5 + 0 + 4 + 9).
It is not an unprimeable number, because it can be changed into a prime (10805029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200067 + ... + 200120.
It is an arithmetic number, because the mean of its divisors is an integer number (2000940).
Almost surely, 210805049 is an apocalyptic number.
It is an amenable number.
10805049 is a deficient number, since it is larger than the sum of its proper divisors (5202471).
10805049 is an equidigital number, since it uses as much as digits as its factorization.
10805049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400196 (or 400190 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 10805049 is about 3287.1034361577. The cubic root of 10805049 is about 221.0763302465.
The spelling of 10805049 in words is "ten million, eight hundred five thousand, forty-nine".
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