Base | Representation |
---|---|
bin | 1111010001110… |
… | …1010001111101 |
3 | 11110120202110000 |
4 | 3310131101331 |
5 | 112401124234 |
6 | 10205304513 |
7 | 1405461051 |
oct | 364352175 |
9 | 143522400 |
10 | 64083069 |
11 | 3319a616 |
12 | 19565139 |
13 | 1037959b |
14 | 8721c61 |
15 | 595c899 |
hex | 3d1d47d |
64083069 has 20 divisors (see below), whose sum is σ = 99033660. Its totient is φ = 41247360.
The previous prime is 64083017. The next prime is 64083079. The reversal of 64083069 is 96038046.
64083069 is a `hidden beast` number, since 640 + 8 + 3 + 0 + 6 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 41757444 + 22325625 = 6462^2 + 4725^2 .
It is not a de Polignac number, because 64083069 - 28 = 64082813 is a prime.
It is a super-2 number, since 2×640830692 = 8213279464917522, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64083079) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11292 + ... + 15989.
It is an arithmetic number, because the mean of its divisors is an integer number (4951683).
Almost surely, 264083069 is an apocalyptic number.
It is an amenable number.
64083069 is a deficient number, since it is larger than the sum of its proper divisors (34950591).
64083069 is a wasteful number, since it uses less digits than its factorization.
64083069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27322 (or 27313 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 64083069 is about 8005.1901289101. The cubic root of 64083069 is about 400.1729855958.
The spelling of 64083069 in words is "sixty-four million, eighty-three thousand, sixty-nine".
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