Base | Representation |
---|---|
bin | 1111010001110… |
… | …1101000101101 |
3 | 11110120211102221 |
4 | 3310131220231 |
5 | 112401201100 |
6 | 10205315341 |
7 | 1405465231 |
oct | 364355055 |
9 | 143524387 |
10 | 64084525 |
11 | 331a071a |
12 | 19565b51 |
13 | 1037a14b |
14 | 87225c1 |
15 | 595d01a |
hex | 3d1da2d |
64084525 has 6 divisors (see below), whose sum is σ = 79464842. Its totient is φ = 51267600.
The previous prime is 64084523. The next prime is 64084609. The reversal of 64084525 is 52548046.
It can be written as a sum of positive squares in 3 ways, for example, as 499849 + 63584676 = 707^2 + 7974^2 .
It is not a de Polignac number, because 64084525 - 21 = 64084523 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64084523) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1281666 + ... + 1281715.
Almost surely, 264084525 is an apocalyptic number.
It is an amenable number.
64084525 is a deficient number, since it is larger than the sum of its proper divisors (15380317).
64084525 is a wasteful number, since it uses less digits than its factorization.
64084525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2563391 (or 2563386 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 64084525 is about 8005.2810693941. The cubic root of 64084525 is about 400.1760162843.
The spelling of 64084525 in words is "sixty-four million, eighty-four thousand, five hundred twenty-five".
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