Base | Representation |
---|---|
bin | 11001100111000… |
… | …11110100110110 |
3 | 112222021010202020 |
4 | 30303203310312 |
5 | 414444431203 |
6 | 33152454010 |
7 | 5216063331 |
oct | 1463436466 |
9 | 488233666 |
10 | 214842678 |
11 | 100300536 |
12 | 5bb4a306 |
13 | 3568315b |
14 | 20767618 |
15 | 13cdc153 |
hex | cce3d36 |
214842678 has 32 divisors (see below), whose sum is σ = 453793536. Its totient is φ = 67671648.
The previous prime is 214842673. The next prime is 214842689. The reversal of 214842678 is 876248412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214842673) 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, 2076 + ... + 20832.
It is an arithmetic number, because the mean of its divisors is an integer number (14181048).
Almost surely, 2214842678 is an apocalyptic number.
214842678 is an abundant number, since it is smaller than the sum of its proper divisors (238950858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214842678 is a wasteful number, since it uses less digits than its factorization.
214842678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18868.
The product of its digits is 172032, while the sum is 42.
The square root of 214842678 is about 14657.5126812157. The cubic root of 214842678 is about 598.9264859805.
The spelling of 214842678 in words is "two hundred fourteen million, eight hundred forty-two thousand, six hundred seventy-eight".
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