Base | Representation |
---|---|
bin | 1000100000110… |
… | …11100011110001 |
3 | 11222101022101212 |
4 | 10100123203301 |
5 | 121240303144 |
6 | 11030405505 |
7 | 1525012025 |
oct | 420334361 |
9 | 158338355 |
10 | 71416049 |
11 | 37348a31 |
12 | 1bb00895 |
13 | 11a46223 |
14 | 96b0385 |
15 | 640a49e |
hex | 441b8f1 |
71416049 has 2 divisors, whose sum is σ = 71416050. Its totient is φ = 71416048.
The previous prime is 71416043. The next prime is 71416057. The reversal of 71416049 is 94061417.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 66308449 + 5107600 = 8143^2 + 2260^2 .
It is an emirp because it is prime and its reverse (94061417) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 71416049 - 212 = 71411953 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (71416043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35708024 + 35708025.
It is an arithmetic number, because the mean of its divisors is an integer number (35708025).
Almost surely, 271416049 is an apocalyptic number.
It is an amenable number.
71416049 is a deficient number, since it is larger than the sum of its proper divisors (1).
71416049 is an equidigital number, since it uses as much as digits as its factorization.
71416049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 71416049 is about 8450.8016779475. The cubic root of 71416049 is about 414.8890185646.
The spelling of 71416049 in words is "seventy-one million, four hundred sixteen thousand, forty-nine".
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