Base | Representation |
---|---|
bin | 11001101000001… |
… | …10100101111111 |
3 | 112222112101002122 |
4 | 30310012211333 |
5 | 420014010322 |
6 | 33155513155 |
7 | 5220225452 |
oct | 1464064577 |
9 | 488471078 |
10 | 214985087 |
11 | 100398529 |
12 | 5bbb87bb |
13 | 35702c15 |
14 | 207a3499 |
15 | 13d19442 |
hex | cd0697f |
214985087 has 2 divisors, whose sum is σ = 214985088. Its totient is φ = 214985086.
The previous prime is 214985083. The next prime is 214985123. The reversal of 214985087 is 780589412.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 214985087 - 22 = 214985083 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (214985083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107492543 + 107492544.
It is an arithmetic number, because the mean of its divisors is an integer number (107492544).
Almost surely, 2214985087 is an apocalyptic number.
214985087 is a deficient number, since it is larger than the sum of its proper divisors (1).
214985087 is an equidigital number, since it uses as much as digits as its factorization.
214985087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 161280, while the sum is 44.
The square root of 214985087 is about 14662.3697607174. The cubic root of 214985087 is about 599.0587900525.
The spelling of 214985087 in words is "two hundred fourteen million, nine hundred eighty-five thousand, eighty-seven".
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