Base | Representation |
---|---|
bin | 11001100001001… |
… | …10000010110011 |
3 | 112220210122102121 |
4 | 30300212002303 |
5 | 414300042311 |
6 | 33124055111 |
7 | 5206345114 |
oct | 1460460263 |
9 | 486718377 |
10 | 214065331 |
11 | aa91a4a7 |
12 | 5b834497 |
13 | 3547039c |
14 | 2060420b |
15 | 13bd6b71 |
hex | cc260b3 |
214065331 has 4 divisors (see below), whose sum is σ = 214098552. Its totient is φ = 214032112.
The previous prime is 214065317. The next prime is 214065337. The reversal of 214065331 is 133560412.
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 214065331 - 29 = 214064819 is a prime.
It is a super-2 number, since 2×2140653312 = 91647931872279122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214065296 and 214065305.
It is not an unprimeable number, because it can be changed into a prime (214065337) 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, 3490 + ... + 20983.
It is an arithmetic number, because the mean of its divisors is an integer number (53524638).
Almost surely, 2214065331 is an apocalyptic number.
214065331 is a deficient number, since it is larger than the sum of its proper divisors (33221).
214065331 is an equidigital number, since it uses as much as digits as its factorization.
214065331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33220.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 214065331 is about 14630.9716355408. The cubic root of 214065331 is about 598.2032647563.
The spelling of 214065331 in words is "two hundred fourteen million, sixty-five thousand, three hundred thirty-one".
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