Base | Representation |
---|---|
bin | 11001100111111… |
… | …11010000001010 |
3 | 112222110211211222 |
4 | 30303333100022 |
5 | 420012030033 |
6 | 33155122042 |
7 | 5220042005 |
oct | 1463772012 |
9 | 488424758 |
10 | 214955018 |
11 | 100377983 |
12 | 5bba3322 |
13 | 356c2325 |
14 | 2079653c |
15 | 13d10598 |
hex | ccff40a |
214955018 has 32 divisors (see below), whose sum is σ = 354024000. Its totient is φ = 97493760.
The previous prime is 214955011. The next prime is 214955071. The reversal of 214955018 is 810559412.
It is not an unprimeable number, because it can be changed into a prime (214955011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143618 + ... + 145106.
It is an arithmetic number, because the mean of its divisors is an integer number (11063250).
Almost surely, 2214955018 is an apocalyptic number.
214955018 is a deficient number, since it is larger than the sum of its proper divisors (139068982).
214955018 is a wasteful number, since it uses less digits than its factorization.
214955018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1670.
The product of its (nonzero) digits is 14400, while the sum is 35.
The square root of 214955018 is about 14661.3443449092. The cubic root of 214955018 is about 599.0308595281.
The spelling of 214955018 in words is "two hundred fourteen million, nine hundred fifty-five thousand, eighteen".
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