Base | Representation |
---|---|
bin | 1111011010001… |
… | …0000111000110 |
3 | 11111121101202212 |
4 | 3312202013012 |
5 | 113021032032 |
6 | 10225103422 |
7 | 1413215216 |
oct | 366420706 |
9 | 144541685 |
10 | 64627142 |
11 | 33531368 |
12 | 19787b72 |
13 | 1050a118 |
14 | 8824246 |
15 | 5a18bb2 |
hex | 3da21c6 |
64627142 has 8 divisors (see below), whose sum is σ = 97448832. Its totient is φ = 32144200.
The previous prime is 64627141. The next prime is 64627153. The reversal of 64627142 is 24172646.
64627142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 64627099 and 64627108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64627141) 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 3 ways as a sum of consecutive naturals, for example, 84209 + ... + 84972.
It is an arithmetic number, because the mean of its divisors is an integer number (12181104).
Almost surely, 264627142 is an apocalyptic number.
64627142 is a deficient number, since it is larger than the sum of its proper divisors (32821690).
64627142 is a wasteful number, since it uses less digits than its factorization.
64627142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169374.
The product of its digits is 16128, while the sum is 32.
The square root of 64627142 is about 8039.1008203654. The cubic root of 64627142 is about 401.3023012605.
Adding to 64627142 its reverse (24172646), we get a palindrome (88799788).
The spelling of 64627142 in words is "sixty-four million, six hundred twenty-seven thousand, one hundred forty-two".
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