Base | Representation |
---|---|
bin | 1111010100111… |
… | …1010100100110 |
3 | 11110222011121110 |
4 | 3311033110212 |
5 | 112424204123 |
6 | 10213525450 |
7 | 1410303453 |
oct | 365172446 |
9 | 143864543 |
10 | 64288038 |
11 | 3331a611 |
12 | 19643886 |
13 | 1041b979 |
14 | 877682a |
15 | 599d493 |
hex | 3d4f526 |
64288038 has 16 divisors (see below), whose sum is σ = 128874240. Its totient is φ = 21379656.
The previous prime is 64288031. The next prime is 64288043. The reversal of 64288038 is 83088246.
It is a junction number, because it is equal to n+sod(n) for n = 64287987 and 64288005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64288031) 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, 9570 + ... + 14837.
It is an arithmetic number, because the mean of its divisors is an integer number (8054640).
Almost surely, 264288038 is an apocalyptic number.
64288038 is an abundant number, since it is smaller than the sum of its proper divisors (64586202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64288038 is a wasteful number, since it uses less digits than its factorization.
64288038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24851.
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 64288038 is about 8017.9821651086. The cubic root of 64288038 is about 400.5991811733.
The spelling of 64288038 in words is "sixty-four million, two hundred eighty-eight thousand, thirty-eight".
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