Base | Representation |
---|---|
bin | 11001001100101… |
… | …11101011011001 |
3 | 112201202110202220 |
4 | 30212113223121 |
5 | 413103310144 |
6 | 32550414253 |
7 | 5144512641 |
oct | 1446275331 |
9 | 481673686 |
10 | 211385049 |
11 | a9359797 |
12 | 5a961389 |
13 | 34a42415 |
14 | 20107521 |
15 | 13857919 |
hex | c997ad9 |
211385049 has 8 divisors (see below), whose sum is σ = 282179040. Its totient is φ = 140757216.
The previous prime is 211385047. The next prime is 211385059. The reversal of 211385049 is 940583112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 211385049 - 21 = 211385047 is a prime.
It is not an unprimeable number, because it can be changed into a prime (211385047) 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, 38539 + ... + 43680.
It is an arithmetic number, because the mean of its divisors is an integer number (35272380).
Almost surely, 2211385049 is an apocalyptic number.
It is an amenable number.
211385049 is a deficient number, since it is larger than the sum of its proper divisors (70793991).
211385049 is an equidigital number, since it uses as much as digits as its factorization.
211385049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83079.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 211385049 is about 14539.0869383191. The cubic root of 211385049 is about 595.6960984258.
The spelling of 211385049 in words is "two hundred eleven million, three hundred eighty-five thousand, forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •