Base | Representation |
---|---|
bin | 1111010000101… |
… | …0111110010101 |
3 | 11110102221120211 |
4 | 3310022332111 |
5 | 112341224320 |
6 | 10203525421 |
7 | 1405026331 |
oct | 364127625 |
9 | 143387524 |
10 | 64008085 |
11 | 33149249 |
12 | 19529871 |
13 | 1035140b |
14 | 87027c1 |
15 | 594555a |
hex | 3d0af95 |
64008085 has 8 divisors (see below), whose sum is σ = 76872096. Its totient is φ = 51164880.
The previous prime is 64008083. The next prime is 64008101. The reversal of 64008085 is 58080046.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64008085 - 21 = 64008083 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64008083) 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, 2650 + ... + 11620.
It is an arithmetic number, because the mean of its divisors is an integer number (9609012).
Almost surely, 264008085 is an apocalyptic number.
It is an amenable number.
64008085 is a deficient number, since it is larger than the sum of its proper divisors (12864011).
64008085 is a wasteful number, since it uses less digits than its factorization.
64008085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10403.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 64008085 is about 8000.5052965422. The cubic root of 64008085 is about 400.0168430408.
The spelling of 64008085 in words is "sixty-four million, eight thousand, eighty-five".
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