Base | Representation |
---|---|
bin | 1011101010110… |
… | …00111110111101 |
3 | 20211011220220221 |
4 | 11311120332331 |
5 | 200024211140 |
6 | 13413541341 |
7 | 2265661252 |
oct | 565307675 |
9 | 224156827 |
10 | 97882045 |
11 | 50285258 |
12 | 28944851 |
13 | 17381791 |
14 | cddd429 |
15 | 88d714a |
hex | 5d58fbd |
97882045 has 4 divisors (see below), whose sum is σ = 117458460. Its totient is φ = 78305632.
The previous prime is 97882013. The next prime is 97882049. The reversal of 97882045 is 54028879.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54028879 = 263 ⋅205433.
It can be written as a sum of positive squares in 2 ways, for example, as 53085796 + 44796249 = 7286^2 + 6693^2 .
It is a cyclic number.
It is not a de Polignac number, because 97882045 - 25 = 97882013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 97881992 and 97882010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97882049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9788200 + ... + 9788209.
It is an arithmetic number, because the mean of its divisors is an integer number (29364615).
Almost surely, 297882045 is an apocalyptic number.
It is an amenable number.
97882045 is a deficient number, since it is larger than the sum of its proper divisors (19576415).
97882045 is a wasteful number, since it uses less digits than its factorization.
97882045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19576414.
The product of its (nonzero) digits is 161280, while the sum is 43.
The square root of 97882045 is about 9893.5355156789. The cubic root of 97882045 is about 460.8585807891.
The spelling of 97882045 in words is "ninety-seven million, eight hundred eighty-two thousand, forty-five".
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