Base | Representation |
---|---|
bin | 1111101010010… |
… | …0000101011001 |
3 | 11120121002020101 |
4 | 3322210011121 |
5 | 113303340201 |
6 | 10303455401 |
7 | 1425205651 |
oct | 372440531 |
9 | 146532211 |
10 | 65683801 |
11 | 34093237 |
12 | 19bb7561 |
13 | 107ba071 |
14 | 8a1b361 |
15 | 5b76d01 |
hex | 3ea4159 |
65683801 has 8 divisors (see below), whose sum is σ = 70860744. Its totient is φ = 60652800.
The previous prime is 65683799. The next prime is 65683829. The reversal of 65683801 is 10838656.
65683801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 49070025 + 16613776 = 7005^2 + 4076^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 3-Lehmer number, since φ(65683801) divides (65683801-1)3.
It is a cyclic number.
It is not a de Polignac number, because 65683801 - 21 = 65683799 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65683201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35550 + ... + 37351.
It is an arithmetic number, because the mean of its divisors is an integer number (8857593).
Almost surely, 265683801 is an apocalyptic number.
It is an amenable number.
65683801 is a deficient number, since it is larger than the sum of its proper divisors (5176943).
65683801 is a wasteful number, since it uses less digits than its factorization.
65683801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72971.
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 65683801 is about 8104.5543369145. The cubic root of 65683801 is about 403.4775969303.
The spelling of 65683801 in words is "sixty-five million, six hundred eighty-three thousand, eight hundred one".
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