Base | Representation |
---|---|
bin | 10000111011111… |
… | …010100101010101 |
3 | 201210122220102102 |
4 | 100323322211111 |
5 | 1040220020114 |
6 | 44110051445 |
7 | 10020111032 |
oct | 2073724525 |
9 | 653586372 |
10 | 284141909 |
11 | 136433027 |
12 | 7b1a9b85 |
13 | 46b37a0c |
14 | 29a46389 |
15 | 19e2a2de |
hex | 10efa955 |
284141909 has 2 divisors, whose sum is σ = 284141910. Its totient is φ = 284141908.
The previous prime is 284141899. The next prime is 284141911. The reversal of 284141909 is 909141482.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 281501284 + 2640625 = 16778^2 + 1625^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-284141909 is a prime.
Together with 284141911, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (284141989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142070954 + 142070955.
It is an arithmetic number, because the mean of its divisors is an integer number (142070955).
Almost surely, 2284141909 is an apocalyptic number.
It is an amenable number.
284141909 is a deficient number, since it is larger than the sum of its proper divisors (1).
284141909 is an equidigital number, since it uses as much as digits as its factorization.
284141909 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 284141909 is about 16856.5093954828. The cubic root of 284141909 is about 657.4233090154.
The spelling of 284141909 in words is "two hundred eighty-four million, one hundred forty-one thousand, nine hundred nine".
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