Base | Representation |
---|---|
bin | 1111100100001… |
… | …1101101010010 |
3 | 11112212000201200 |
4 | 3321003231102 |
5 | 113203222132 |
6 | 10251212030 |
7 | 1421643030 |
oct | 371035522 |
9 | 145760650 |
10 | 65289042 |
11 | 33943695 |
12 | 19a47016 |
13 | 106ac490 |
14 | 8957550 |
15 | 5ae9d7c |
hex | 3e43b52 |
65289042 has 96 divisors (see below), whose sum is σ = 181778688. Its totient is φ = 16460928.
The previous prime is 65289031. The next prime is 65289047. The reversal of 65289042 is 24098256.
It is a happy number.
65289042 is a `hidden beast` number, since 6 + 528 + 90 + 42 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 65288988 and 65289006.
It is not an unprimeable number, because it can be changed into a prime (65289047) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36808 + ... + 38540.
It is an arithmetic number, because the mean of its divisors is an integer number (1893528).
Almost surely, 265289042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65289042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90889344).
65289042 is an abundant number, since it is smaller than the sum of its proper divisors (116489646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65289042 is a wasteful number, since it uses less digits than its factorization.
65289042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1784 (or 1781 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 65289042 is about 8080.1634884450. The cubic root of 65289042 is about 402.6676734121.
The spelling of 65289042 in words is "sixty-five million, two hundred eighty-nine thousand, forty-two".
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