Base | Representation |
---|---|
bin | 1111010101110… |
… | …0110010000000 |
3 | 11111001222020022 |
4 | 3311130302000 |
5 | 112432440133 |
6 | 10215033012 |
7 | 1410623261 |
oct | 365346200 |
9 | 144058208 |
10 | 64343168 |
11 | 33357a7a |
12 | 1966b768 |
13 | 1043aaa6 |
14 | 878c968 |
15 | 59ae998 |
hex | 3d5cc80 |
64343168 has 24 divisors (see below), whose sum is σ = 128364705. Its totient is φ = 32126208.
The previous prime is 64343143. The next prime is 64343189. The reversal of 64343168 is 86134346.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 54051904 + 10291264 = 7352^2 + 3208^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=5672.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 90398 + ... + 91106.
Almost surely, 264343168 is an apocalyptic number.
It is an amenable number.
64343168 is a deficient number, since it is larger than the sum of its proper divisors (64021537).
64343168 is an frugal number, since it uses more digits than its factorization.
64343168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1432 (or 711 counting only the distinct ones).
The product of its digits is 41472, while the sum is 35.
The square root of 64343168 is about 8021.4193257802. The cubic root of 64343168 is about 400.7136593021.
Multiplying 64343168 by its product of digits (41472), we get a square (2668439863296 = 16335362).
The spelling of 64343168 in words is "sixty-four million, three hundred forty-three thousand, one hundred sixty-eight".
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