Base | Representation |
---|---|
bin | 1111100011100… |
… | …0010000000000 |
3 | 11112202122100112 |
4 | 3320320100000 |
5 | 113200221422 |
6 | 10250210452 |
7 | 1421356145 |
oct | 370702000 |
9 | 145678315 |
10 | 65242112 |
11 | 33911401 |
12 | 19a23a28 |
13 | 10694000 |
14 | 89443cc |
15 | 5adaee2 |
hex | 3e38400 |
65242112 has 88 divisors (see below), whose sum is σ = 146155800. Its totient is φ = 29073408.
The previous prime is 65242091. The next prime is 65242127. The reversal of 65242112 is 21124256.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 19219456 + 46022656 = 4384^2 + 6784^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249714 + ... + 2249742.
Almost surely, 265242112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65242112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73077900).
65242112 is an abundant number, since it is smaller than the sum of its proper divisors (80913688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65242112 is an equidigital number, since it uses as much as digits as its factorization.
65242112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88 (or 44 counting only the distinct ones).
The product of its digits is 960, while the sum is 23.
The square root of 65242112 is about 8077.2589410022. The cubic root of 65242112 is about 402.5711706253.
Adding to 65242112 its reverse (21124256), we get a palindrome (86366368).
The spelling of 65242112 in words is "sixty-five million, two hundred forty-two thousand, one hundred twelve".
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