Base | Representation |
---|---|
bin | 1111010011000… |
… | …0100110101001 |
3 | 11110201210000102 |
4 | 3310300212221 |
5 | 112411142332 |
6 | 10211115145 |
7 | 1406240600 |
oct | 364604651 |
9 | 143653012 |
10 | 64162217 |
11 | 33244029 |
12 | 195a2ab5 |
13 | 103a6612 |
14 | 8742a37 |
15 | 5976062 |
hex | 3d309a9 |
64162217 has 12 divisors (see below), whose sum is σ = 74788560. Its totient is φ = 54885096.
The previous prime is 64162211. The next prime is 64162247. The reversal of 64162217 is 71226146.
64162217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 64162217 - 214 = 64145833 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 64162217.
It is not an unprimeable number, because it can be changed into a prime (64162211) 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, 31298 + ... + 33284.
It is an arithmetic number, because the mean of its divisors is an integer number (6232380).
Almost surely, 264162217 is an apocalyptic number.
It is an amenable number.
64162217 is a deficient number, since it is larger than the sum of its proper divisors (10626343).
64162217 is a wasteful number, since it uses less digits than its factorization.
64162217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2660 (or 2653 counting only the distinct ones).
The product of its digits is 4032, while the sum is 29.
The square root of 64162217 is about 8010.1321462258. The cubic root of 64162217 is about 400.3376669557.
The spelling of 64162217 in words is "sixty-four million, one hundred sixty-two thousand, two hundred seventeen".
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