Base | Representation |
---|---|
bin | 1111100100000… |
… | …1111111100100 |
3 | 11112211200002121 |
4 | 3321001333210 |
5 | 113203011040 |
6 | 10251115324 |
7 | 1421613406 |
oct | 371017744 |
9 | 145750077 |
10 | 65282020 |
11 | 33939391 |
12 | 19a42b44 |
13 | 106a921b |
14 | 8954b76 |
15 | 5ae7c4a |
hex | 3e41fe4 |
65282020 has 12 divisors (see below), whose sum is σ = 137092284. Its totient is φ = 26112800.
The previous prime is 65282011. The next prime is 65282033. The reversal of 65282020 is 2028256.
It can be written as a sum of positive squares in 2 ways, for example, as 37234404 + 28047616 = 6102^2 + 5296^2 .
It is a super-3 number, since 3×652820203 (a number of 24 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632031 + ... + 1632070.
It is an arithmetic number, because the mean of its divisors is an integer number (11424357).
Almost surely, 265282020 is an apocalyptic number.
It is an amenable number.
65282020 is an abundant number, since it is smaller than the sum of its proper divisors (71810264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65282020 is a wasteful number, since it uses less digits than its factorization.
65282020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3264110 (or 3264108 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 65282020 is about 8079.7289558499. The cubic root of 65282020 is about 402.6532369223.
The spelling of 65282020 in words is "sixty-five million, two hundred eighty-two thousand, twenty".
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