Base | Representation |
---|---|
bin | 1111010110001… |
… | …1100100111111 |
3 | 11111010101102101 |
4 | 3311203210333 |
5 | 112434333012 |
6 | 10215405531 |
7 | 1411100401 |
oct | 365434477 |
9 | 144111371 |
10 | 64371007 |
11 | 33376988 |
12 | 196838a7 |
13 | 1044a66c |
14 | 8798b71 |
15 | 59b7d57 |
hex | 3d6393f |
64371007 has 4 divisors (see below), whose sum is σ = 64481256. Its totient is φ = 64260760.
The previous prime is 64370989. The next prime is 64371019. The reversal of 64371007 is 70017346.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 64371007 - 211 = 64368959 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 (64371077) 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 3 ways as a sum of consecutive naturals, for example, 54244 + ... + 55417.
It is an arithmetic number, because the mean of its divisors is an integer number (16120314).
Almost surely, 264371007 is an apocalyptic number.
64371007 is a deficient number, since it is larger than the sum of its proper divisors (110249).
64371007 is a wasteful number, since it uses less digits than its factorization.
64371007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110248.
The product of its (nonzero) digits is 3528, while the sum is 28.
The square root of 64371007 is about 8023.1544295246. The cubic root of 64371007 is about 400.7714424848.
The spelling of 64371007 in words is "sixty-four million, three hundred seventy-one thousand, seven".
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