Base | Representation |
---|---|
bin | 11001100011111… |
… | …00101011011001 |
3 | 112221110200012100 |
4 | 30301330223121 |
5 | 414342421220 |
6 | 33135434013 |
7 | 5212353510 |
oct | 1461745331 |
9 | 487420170 |
10 | 214420185 |
11 | 100042071 |
12 | 5b985909 |
13 | 35565a65 |
14 | 20697677 |
15 | 13c56d90 |
hex | cc7cad9 |
214420185 has 48 divisors (see below), whose sum is σ = 431758080. Its totient is φ = 96405120.
The previous prime is 214420177. The next prime is 214420223. The reversal of 214420185 is 581024412.
It is not a de Polignac number, because 214420185 - 23 = 214420177 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13636 + ... + 24794.
It is an arithmetic number, because the mean of its divisors is an integer number (8994960).
Almost surely, 2214420185 is an apocalyptic number.
It is an amenable number.
214420185 is an abundant number, since it is smaller than the sum of its proper divisors (217337895).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214420185 is a wasteful number, since it uses less digits than its factorization.
214420185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11238 (or 11235 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 214420185 is about 14643.0934231808. The cubic root of 214420185 is about 598.5336275057.
Adding to 214420185 its reverse (581024412), we get a palindrome (795444597).
The spelling of 214420185 in words is "two hundred fourteen million, four hundred twenty thousand, one hundred eighty-five".
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