Base | Representation |
---|---|
bin | 110011001000… |
… | …111010001001 |
3 | 221020002100100 |
4 | 303020322021 |
5 | 11412441313 |
6 | 1155200013 |
7 | 221643030 |
oct | 63107211 |
9 | 27202310 |
10 | 13405833 |
11 | 7627001 |
12 | 45a6009 |
13 | 2a14b5c |
14 | 1acd717 |
15 | 129c173 |
hex | cc8e89 |
13405833 has 12 divisors (see below), whose sum is σ = 22130368. Its totient is φ = 7660440.
The previous prime is 13405823. The next prime is 13405853. The reversal of 13405833 is 33850431.
It is a happy number.
It is not a de Polignac number, because 13405833 - 24 = 13405817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13405797 and 13405806.
It is not an unprimeable number, because it can be changed into a prime (13405813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106333 + ... + 106458.
Almost surely, 213405833 is an apocalyptic number.
It is an amenable number.
13405833 is a deficient number, since it is larger than the sum of its proper divisors (8724535).
13405833 is a wasteful number, since it uses less digits than its factorization.
13405833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212804 (or 212801 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 13405833 is about 3661.3976839453. The cubic root of 13405833 is about 237.5552329527. Note that the first 3 decimals are identical.
The spelling of 13405833 in words is "thirteen million, four hundred five thousand, eight hundred thirty-three".
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