Base | Representation |
---|---|
bin | 11001100000110… |
… | …11111000000111 |
3 | 112220201112022020 |
4 | 30300123320013 |
5 | 414242224222 |
6 | 33123134223 |
7 | 5206112523 |
oct | 1460337007 |
9 | 486645266 |
10 | 214023687 |
11 | aa8a1189 |
12 | 5b814373 |
13 | 35457447 |
14 | 205d2d83 |
15 | 13bc965c |
hex | cc1be07 |
214023687 has 4 divisors (see below), whose sum is σ = 285364920. Its totient is φ = 142682456.
The previous prime is 214023637. The next prime is 214023697. The reversal of 214023687 is 786320412.
214023687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 214023687 - 28 = 214023431 is a prime.
It is a super-2 number, since 2×2140236872 = 91612277194147938, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214023637) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35670612 + ... + 35670617.
It is an arithmetic number, because the mean of its divisors is an integer number (71341230).
Almost surely, 2214023687 is an apocalyptic number.
214023687 is a deficient number, since it is larger than the sum of its proper divisors (71341233).
214023687 is an equidigital number, since it uses as much as digits as its factorization.
214023687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71341232.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 214023687 is about 14629.5484209185. The cubic root of 214023687 is about 598.1644710038.
The spelling of 214023687 in words is "two hundred fourteen million, twenty-three thousand, six hundred eighty-seven".
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