Base | Representation |
---|---|
bin | 11001100101111… |
… | …00010101001001 |
3 | 112221221220211122 |
4 | 30302330111021 |
5 | 414424242110 |
6 | 33145205025 |
7 | 5214520565 |
oct | 1462742511 |
9 | 487856748 |
10 | 214680905 |
11 | 1001aaa3a |
12 | 5ba90775 |
13 | 3562762a |
14 | 207246a5 |
15 | 13ca9255 |
hex | ccbc549 |
214680905 has 16 divisors (see below), whose sum is σ = 274233600. Its totient is φ = 160871040.
The previous prime is 214680889. The next prime is 214680971. The reversal of 214680905 is 509086412.
214680905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 214680905 - 24 = 214680889 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4241 + ... + 21150.
It is an arithmetic number, because the mean of its divisors is an integer number (17139600).
Almost surely, 2214680905 is an apocalyptic number.
It is an amenable number.
214680905 is a deficient number, since it is larger than the sum of its proper divisors (59552695).
214680905 is a wasteful number, since it uses less digits than its factorization.
214680905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25504.
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 214680905 is about 14651.9932091166. The cubic root of 214680905 is about 598.7761209717.
The spelling of 214680905 in words is "two hundred fourteen million, six hundred eighty thousand, nine hundred five".
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