Base | Representation |
---|---|
bin | 1111011111010… |
… | …1100110010010 |
3 | 11112020202212012 |
4 | 3313311212102 |
5 | 113113002411 |
6 | 10240302522 |
7 | 1416141206 |
oct | 367654622 |
9 | 145222765 |
10 | 64969106 |
11 | 33745284 |
12 | 19911a42 |
13 | 105c9977 |
14 | 88b2b06 |
15 | 5a8518b |
hex | 3df5992 |
64969106 has 8 divisors (see below), whose sum is σ = 100814220. Its totient is φ = 31364368.
The previous prime is 64969103. The next prime is 64969111. The reversal of 64969106 is 60196946.
It can be written as a sum of positive squares in 2 ways, for example, as 63856081 + 1113025 = 7991^2 + 1055^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (64969103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560021 + ... + 560136.
Almost surely, 264969106 is an apocalyptic number.
64969106 is a deficient number, since it is larger than the sum of its proper divisors (35845114).
64969106 is a wasteful number, since it uses less digits than its factorization.
64969106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1120188.
The product of its (nonzero) digits is 69984, while the sum is 41.
The square root of 64969106 is about 8060.3415560384. The cubic root of 64969106 is about 402.0088650966.
The spelling of 64969106 in words is "sixty-four million, nine hundred sixty-nine thousand, one hundred six".
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