Base | Representation |
---|---|
bin | 1111010101010… |
… | …0011010011000 |
3 | 11111000020012200 |
4 | 3311110122120 |
5 | 112430341023 |
6 | 10214210200 |
7 | 1410421320 |
oct | 365243230 |
9 | 144006180 |
10 | 64308888 |
11 | 33334246 |
12 | 19653960 |
13 | 104282c7 |
14 | 8780280 |
15 | 59a4743 |
hex | 3d54698 |
64308888 has 48 divisors (see below), whose sum is σ = 199052880. Its totient is φ = 18373824.
The previous prime is 64308887. The next prime is 64308899. The reversal of 64308888 is 88880346.
64308888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64308883) 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 11 ways as a sum of consecutive naturals, for example, 63295 + ... + 64302.
It is an arithmetic number, because the mean of its divisors is an integer number (4146935).
Almost surely, 264308888 is an apocalyptic number.
It is an amenable number.
64308888 is an abundant number, since it is smaller than the sum of its proper divisors (134743992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64308888 is a wasteful number, since it uses less digits than its factorization.
64308888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127616 (or 127609 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 45.
The square root of 64308888 is about 8019.2822621479. The cubic root of 64308888 is about 400.6424841494.
The spelling of 64308888 in words is "sixty-four million, three hundred eight thousand, eight hundred eighty-eight".
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