Base | Representation |
---|---|
bin | 1111100101010… |
… | …1111110011100 |
3 | 11112222211101000 |
4 | 3321111332130 |
5 | 113213120433 |
6 | 10252550300 |
7 | 1422404133 |
oct | 371257634 |
9 | 145884330 |
10 | 65363868 |
11 | 33994929 |
12 | 19a82390 |
13 | 1070755b |
14 | 897691a |
15 | 5b12113 |
hex | 3e55f9c |
65363868 has 24 divisors (see below), whose sum is σ = 169462160. Its totient is φ = 21787920.
The previous prime is 65363849. The next prime is 65363869. The reversal of 65363868 is 86836356.
65363868 is a `hidden beast` number, since 6 + 5 + 3 + 638 + 6 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65363869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302503 + ... + 302718.
Almost surely, 265363868 is an apocalyptic number.
It is an amenable number.
65363868 is an abundant number, since it is smaller than the sum of its proper divisors (104098292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65363868 is a wasteful number, since it uses less digits than its factorization.
65363868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605234 (or 605226 counting only the distinct ones).
The product of its digits is 622080, while the sum is 45.
The square root of 65363868 is about 8084.7923906554. The cubic root of 65363868 is about 402.8214435158.
It can be divided in two parts, 6536 and 3868, that added together give a square (10404 = 1022).
The spelling of 65363868 in words is "sixty-five million, three hundred sixty-three thousand, eight hundred sixty-eight".
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