Base | Representation |
---|---|
bin | 11111000111011… |
… | …00001110010001 |
3 | 200012010220110122 |
4 | 33203230032101 |
5 | 1013304430132 |
6 | 41522240025 |
7 | 6316404656 |
oct | 1743541621 |
9 | 605126418 |
10 | 261014417 |
11 | 124376aa4 |
12 | 734b6015 |
13 | 420cac01 |
14 | 26945c2d |
15 | 17dac912 |
hex | f8ec391 |
261014417 has 2 divisors, whose sum is σ = 261014418. Its totient is φ = 261014416.
The previous prime is 261014387. The next prime is 261014431. The reversal of 261014417 is 714410162.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 147889921 + 113124496 = 12161^2 + 10636^2 .
It is a cyclic number.
It is not a de Polignac number, because 261014417 - 28 = 261014161 is a prime.
It is not a weakly prime, because it can be changed into another prime (261014717) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130507208 + 130507209.
It is an arithmetic number, because the mean of its divisors is an integer number (130507209).
Almost surely, 2261014417 is an apocalyptic number.
It is an amenable number.
261014417 is a deficient number, since it is larger than the sum of its proper divisors (1).
261014417 is an equidigital number, since it uses as much as digits as its factorization.
261014417 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 261014417 is about 16155.9406101904. The cubic root of 261014417 is about 639.0794194666.
Adding to 261014417 its reverse (714410162), we get a palindrome (975424579).
The spelling of 261014417 in words is "two hundred sixty-one million, fourteen thousand, four hundred seventeen".
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