Base | Representation |
---|---|
bin | 1111010111110… |
… | …0111110111011 |
3 | 11111022200011110 |
4 | 3311330332323 |
5 | 113001200232 |
6 | 10221531403 |
7 | 1412012646 |
oct | 365747673 |
9 | 144280143 |
10 | 64475067 |
11 | 33438088 |
12 | 19713b63 |
13 | 10485b37 |
14 | 87c4a5d |
15 | 59d8acc |
hex | 3d7cfbb |
64475067 has 16 divisors (see below), whose sum is σ = 91932192. Its totient is φ = 40051200.
The previous prime is 64475039. The next prime is 64475087. The reversal of 64475067 is 76057446.
It is not a de Polignac number, because 64475067 - 28 = 64474811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (64475087) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108 + ... + 11409.
It is an arithmetic number, because the mean of its divisors is an integer number (5745762).
Almost surely, 264475067 is an apocalyptic number.
64475067 is a deficient number, since it is larger than the sum of its proper divisors (27457125).
64475067 is a wasteful number, since it uses less digits than its factorization.
64475067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12638.
The product of its (nonzero) digits is 141120, while the sum is 39.
The square root of 64475067 is about 8029.6367912876. The cubic root of 64475067 is about 400.9872840871.
The spelling of 64475067 in words is "sixty-four million, four hundred seventy-five thousand, sixty-seven".
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