Base | Representation |
---|---|
bin | 10000011011100… |
… | …010010111000001 |
3 | 201012200200022102 |
4 | 100123202113001 |
5 | 1031031412311 |
6 | 43204120145 |
7 | 6555010133 |
oct | 2033422701 |
9 | 635620272 |
10 | 275654081 |
11 | 131665a9a |
12 | 78396055 |
13 | 45155531 |
14 | 28877053 |
15 | 1930043b |
hex | 106e25c1 |
275654081 has 2 divisors, whose sum is σ = 275654082. Its totient is φ = 275654080.
The previous prime is 275654063. The next prime is 275654089. The reversal of 275654081 is 180456572.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 261145600 + 14508481 = 16160^2 + 3809^2 .
It is a cyclic number.
It is not a de Polignac number, because 275654081 - 26 = 275654017 is a prime.
It is a super-2 number, since 2×2756540812 = 151970344743909122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (275654089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137827040 + 137827041.
It is an arithmetic number, because the mean of its divisors is an integer number (137827041).
Almost surely, 2275654081 is an apocalyptic number.
It is an amenable number.
275654081 is a deficient number, since it is larger than the sum of its proper divisors (1).
275654081 is an equidigital number, since it uses as much as digits as its factorization.
275654081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 67200, while the sum is 38.
The square root of 275654081 is about 16602.8335232273. The cubic root of 275654081 is about 650.8108862097.
The spelling of 275654081 in words is "two hundred seventy-five million, six hundred fifty-four thousand, eighty-one".
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