Base | Representation |
---|---|
bin | 1111011101010… |
… | …0001010001110 |
3 | 11111222210222110 |
4 | 3313110022032 |
5 | 113044112032 |
6 | 10233324450 |
7 | 1415030664 |
oct | 367241216 |
9 | 144883873 |
10 | 64832142 |
11 | 33661391 |
12 | 19866726 |
13 | 1057c51b |
14 | 8878c34 |
15 | 5a597cc |
hex | 3dd428e |
64832142 has 32 divisors (see below), whose sum is σ = 138741120. Its totient is φ = 20135520.
The previous prime is 64832107. The next prime is 64832149. The reversal of 64832142 is 24123846.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64832149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293 + ... + 11615.
It is an arithmetic number, because the mean of its divisors is an integer number (4335660).
Almost surely, 264832142 is an apocalyptic number.
64832142 is an abundant number, since it is smaller than the sum of its proper divisors (73908978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64832142 is a wasteful number, since it uses less digits than its factorization.
64832142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9408.
The product of its digits is 9216, while the sum is 30.
The square root of 64832142 is about 8051.8409075192. The cubic root of 64832142 is about 401.7261693001.
Adding to 64832142 its reverse (24123846), we get a palindrome (88955988).
The spelling of 64832142 in words is "sixty-four million, eight hundred thirty-two thousand, one hundred forty-two".
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