Base | Representation |
---|---|
bin | 1001111001111… |
… | …11100010010001 |
3 | 12210100210200021 |
4 | 10330333202101 |
5 | 132233111440 |
6 | 12125023441 |
7 | 2026214323 |
oct | 474774221 |
9 | 183323607 |
10 | 83097745 |
11 | 429a7625 |
12 | 239b4b81 |
13 | 142a6383 |
14 | b071613 |
15 | 746684a |
hex | 4f3f891 |
83097745 has 16 divisors (see below), whose sum is σ = 103100688. Its totient is φ = 64247040.
The previous prime is 83097733. The next prime is 83097767. The reversal of 83097745 is 54779038.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 524176 + 82573569 = 724^2 + 9087^2 .
It is not a de Polignac number, because 83097745 - 25 = 83097713 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27615 + ... + 30475.
It is an arithmetic number, because the mean of its divisors is an integer number (6443793).
Almost surely, 283097745 is an apocalyptic number.
It is an amenable number.
83097745 is a deficient number, since it is larger than the sum of its proper divisors (20002943).
83097745 is a wasteful number, since it uses less digits than its factorization.
83097745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3060.
The product of its (nonzero) digits is 211680, while the sum is 43.
The square root of 83097745 is about 9115.7964545069. The cubic root of 83097745 is about 436.3782331436.
The spelling of 83097745 in words is "eighty-three million, ninety-seven thousand, seven hundred forty-five".
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