Base | Representation |
---|---|
bin | 11001101000010… |
… | …10000111110101 |
3 | 112222120002220222 |
4 | 30310022013311 |
5 | 420014441131 |
6 | 33200104125 |
7 | 5220315551 |
oct | 1464120765 |
9 | 488502828 |
10 | 214999541 |
11 | 1003a8379 |
12 | 60005045 |
13 | 35709683 |
14 | 207a8861 |
15 | 13d1d87b |
hex | cd0a1f5 |
214999541 has 2 divisors, whose sum is σ = 214999542. Its totient is φ = 214999540.
The previous prime is 214999537. The next prime is 214999549. The reversal of 214999541 is 145999412.
214999541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 192626641 + 22372900 = 13879^2 + 4730^2 .
It is a cyclic number.
It is not a de Polignac number, because 214999541 - 22 = 214999537 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 214999492 and 214999501.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (214999549) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107499770 + 107499771.
It is an arithmetic number, because the mean of its divisors is an integer number (107499771).
Almost surely, 2214999541 is an apocalyptic number.
It is an amenable number.
214999541 is a deficient number, since it is larger than the sum of its proper divisors (1).
214999541 is an equidigital number, since it uses as much as digits as its factorization.
214999541 is an evil number, because the sum of its binary digits is even.
The product of its digits is 116640, while the sum is 44.
The square root of 214999541 is about 14662.8626468367. The cubic root of 214999541 is about 599.0722151724.
The spelling of 214999541 in words is "two hundred fourteen million, nine hundred ninety-nine thousand, five hundred forty-one".
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