Base | Representation |
---|---|
bin | 11001100100111… |
… | …10000011000111 |
3 | 112221201121200210 |
4 | 30302132003013 |
5 | 414411304441 |
6 | 33142410503 |
7 | 5213463144 |
oct | 1462360307 |
9 | 487647623 |
10 | 214556871 |
11 | 100125831 |
12 | 5ba30a33 |
13 | 355b3039 |
14 | 206d13cb |
15 | 13c82616 |
hex | cc9e0c7 |
214556871 has 16 divisors (see below), whose sum is σ = 288828000. Its totient is φ = 141667968.
The previous prime is 214556869. The next prime is 214556887. The reversal of 214556871 is 178655412.
214556871 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 214556871 - 21 = 214556869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214556831) 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, 302265 + ... + 302973.
It is an arithmetic number, because the mean of its divisors is an integer number (18051750).
Almost surely, 2214556871 is an apocalyptic number.
214556871 is a deficient number, since it is larger than the sum of its proper divisors (74271129).
214556871 is a wasteful number, since it uses less digits than its factorization.
214556871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1538.
The product of its digits is 67200, while the sum is 39.
The square root of 214556871 is about 14647.7599311294. The cubic root of 214556871 is about 598.6607824959.
The spelling of 214556871 in words is "two hundred fourteen million, five hundred fifty-six thousand, eight hundred seventy-one".
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