Base | Representation |
---|---|
bin | 1111100100001… |
… | …0100010010011 |
3 | 11112211210010221 |
4 | 3321002202103 |
5 | 113203043433 |
6 | 10251133511 |
7 | 1421623033 |
oct | 371024223 |
9 | 145753127 |
10 | 65284243 |
11 | 33940022 |
12 | 19a44297 |
13 | 106aa23b |
14 | 89558c3 |
15 | 5ae872d |
hex | 3e42893 |
65284243 has 8 divisors (see below), whose sum is σ = 67565520. Its totient is φ = 63030240.
The previous prime is 65284237. The next prime is 65284283. The reversal of 65284243 is 34248256.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-65284243 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 65284199 and 65284208.
It is not an unprimeable number, because it can be changed into a prime (65284283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888 + ... + 11581.
It is an arithmetic number, because the mean of its divisors is an integer number (8445690).
Almost surely, 265284243 is an apocalyptic number.
65284243 is a deficient number, since it is larger than the sum of its proper divisors (2281277).
65284243 is a wasteful number, since it uses less digits than its factorization.
65284243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13637.
The product of its digits is 46080, while the sum is 34.
The square root of 65284243 is about 8079.8665211747. The cubic root of 65284243 is about 402.6578072873.
The spelling of 65284243 in words is "sixty-five million, two hundred eighty-four thousand, two hundred forty-three".
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