Base | Representation |
---|---|
bin | 11001100110110… |
… | …11000100011100 |
3 | 112222012022112212 |
4 | 30303123010130 |
5 | 414442304222 |
6 | 33152015552 |
7 | 5215553633 |
oct | 1463330434 |
9 | 488168485 |
10 | 214806812 |
11 | 1002865a0 |
12 | 5bb315b8 |
13 | 3566ca2c |
14 | 2075851a |
15 | 13cd16e2 |
hex | ccdb11c |
214806812 has 24 divisors (see below), whose sum is σ = 423316992. Its totient is φ = 94489200.
The previous prime is 214806811. The next prime is 214806817. The reversal of 214806812 is 218608412.
It is a happy number.
214806812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2148068122 = 92283932963206688, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214806811) 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, 77378 + ... + 80105.
It is an arithmetic number, because the mean of its divisors is an integer number (17638208).
Almost surely, 2214806812 is an apocalyptic number.
214806812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
214806812 is a deficient number, since it is larger than the sum of its proper divisors (208510180).
214806812 is a wasteful number, since it uses less digits than its factorization.
214806812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157529 (or 157527 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 214806812 is about 14656.2891619946. The cubic root of 214806812 is about 598.8931557114.
The spelling of 214806812 in words is "two hundred fourteen million, eight hundred six thousand, eight hundred twelve".
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