Base | Representation |
---|---|
bin | 1111010001110… |
… | …0011001111111 |
3 | 11110120120112100 |
4 | 3310130121333 |
5 | 112401020422 |
6 | 10205240143 |
7 | 1405444443 |
oct | 364343177 |
9 | 143516470 |
10 | 64079487 |
11 | 3319795a |
12 | 19563053 |
13 | 10377a74 |
14 | 8720823 |
15 | 595b7ac |
hex | 3d1c67f |
64079487 has 12 divisors (see below), whose sum is σ = 94128840. Its totient is φ = 41995248.
The previous prime is 64079459. The next prime is 64079489. The reversal of 64079487 is 78497046.
It is not a de Polignac number, because 64079487 - 27 = 64079359 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64079489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59808 + ... + 60869.
It is an arithmetic number, because the mean of its divisors is an integer number (7844070).
Almost surely, 264079487 is an apocalyptic number.
64079487 is a deficient number, since it is larger than the sum of its proper divisors (30049353).
64079487 is a wasteful number, since it uses less digits than its factorization.
64079487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120742 (or 120739 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The square root of 64079487 is about 8004.9663959320. The cubic root of 64079487 is about 400.1655294073.
The spelling of 64079487 in words is "sixty-four million, seventy-nine thousand, four hundred eighty-seven".
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