Base | Representation |
---|---|
bin | 10000011001101… |
… | …001010000100001 |
3 | 201011202110212212 |
4 | 100121221100201 |
5 | 1030420024144 |
6 | 43145331505 |
7 | 6550543025 |
oct | 2031512041 |
9 | 634673785 |
10 | 275158049 |
11 | 131357351 |
12 | 78196b95 |
13 | 4501081a |
14 | 28788385 |
15 | 1925349e |
hex | 10669421 |
275158049 has 2 divisors, whose sum is σ = 275158050. Its totient is φ = 275158048.
The previous prime is 275158021. The next prime is 275158099. The reversal of 275158049 is 940851572.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 266995600 + 8162449 = 16340^2 + 2857^2 .
It is a cyclic number.
It is not a de Polignac number, because 275158049 - 224 = 258380833 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 275157997 and 275158015.
It is not a weakly prime, because it can be changed into another prime (275158099) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137579024 + 137579025.
It is an arithmetic number, because the mean of its divisors is an integer number (137579025).
Almost surely, 2275158049 is an apocalyptic number.
It is an amenable number.
275158049 is a deficient number, since it is larger than the sum of its proper divisors (1).
275158049 is an equidigital number, since it uses as much as digits as its factorization.
275158049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 100800, while the sum is 41.
The square root of 275158049 is about 16587.8886239328. Note that the first 3 decimals coincide. The cubic root of 275158049 is about 650.4202796746.
The spelling of 275158049 in words is "two hundred seventy-five million, one hundred fifty-eight thousand, forty-nine".
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