Base | Representation |
---|---|
bin | 11001100001001… |
… | …01110010000101 |
3 | 112220210120221222 |
4 | 30300211302011 |
5 | 414300024021 |
6 | 33124050125 |
7 | 5206342025 |
oct | 1460456205 |
9 | 486716858 |
10 | 214064261 |
11 | aa919714 |
12 | 5b833945 |
13 | 3546ca58 |
14 | 20603a85 |
15 | 13bd66ab |
hex | cc25c85 |
214064261 has 4 divisors (see below), whose sum is σ = 214329024. Its totient is φ = 213799500.
The previous prime is 214064237. The next prime is 214064287. The reversal of 214064261 is 162460412.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 214064261 - 226 = 146955397 is a prime.
It is a super-2 number, since 2×2140642612 = 91647015674952242, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 214064261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214064231) 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, 131165 + ... + 132786.
It is an arithmetic number, because the mean of its divisors is an integer number (53582256).
Almost surely, 2214064261 is an apocalyptic number.
It is an amenable number.
214064261 is a deficient number, since it is larger than the sum of its proper divisors (264763).
214064261 is an equidigital number, since it uses as much as digits as its factorization.
214064261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264762.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 214064261 is about 14630.9350692292. The cubic root of 214064261 is about 598.2022680534.
The spelling of 214064261 in words is "two hundred fourteen million, sixty-four thousand, two hundred sixty-one".
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