Base | Representation |
---|---|
bin | 1111010001111… |
… | …0100000101001 |
3 | 11110121000100112 |
4 | 3310132200221 |
5 | 112401304410 |
6 | 10205344105 |
7 | 1405511534 |
oct | 364364051 |
9 | 143530315 |
10 | 64088105 |
11 | 331a3384 |
12 | 19568035 |
13 | 1037b973 |
14 | 8723a1b |
15 | 595e105 |
hex | 3d1e829 |
64088105 has 8 divisors (see below), whose sum is σ = 77185032. Its totient is φ = 51084288.
The previous prime is 64088093. The next prime is 64088111. The reversal of 64088105 is 50188046.
64088105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 295936 + 63792169 = 544^2 + 7987^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64088105 - 26 = 64088041 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 21752 + ... + 24521.
It is an arithmetic number, because the mean of its divisors is an integer number (9648129).
Almost surely, 264088105 is an apocalyptic number.
It is an amenable number.
64088105 is a deficient number, since it is larger than the sum of its proper divisors (13096927).
64088105 is a wasteful number, since it uses less digits than its factorization.
64088105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46555.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 64088105 is about 8005.5046686639. The cubic root of 64088105 is about 400.1834679193.
The spelling of 64088105 in words is "sixty-four million, eighty-eight thousand, one hundred five".
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