Base | Representation |
---|---|
bin | 1111010000101… |
… | …0001110101110 |
3 | 11110102210101222 |
4 | 3310022032232 |
5 | 112341130123 |
6 | 10203503342 |
7 | 1405014416 |
oct | 364121656 |
9 | 143383358 |
10 | 64005038 |
11 | 33146a29 |
12 | 19527b52 |
13 | 1034cc06 |
14 | 8701646 |
15 | 59446c8 |
hex | 3d0a3ae |
64005038 has 8 divisors (see below), whose sum is σ = 96115680. Its totient is φ = 31966480.
The previous prime is 64005031. The next prime is 64005041. The reversal of 64005038 is 83050046.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 64004998 and 64005016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64005031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15743 + ... + 19386.
It is an arithmetic number, because the mean of its divisors is an integer number (12014460).
Almost surely, 264005038 is an apocalyptic number.
64005038 is a deficient number, since it is larger than the sum of its proper divisors (32110642).
64005038 is a wasteful number, since it uses less digits than its factorization.
64005038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36042.
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 64005038 is about 8000.3148688036. The cubic root of 64005038 is about 400.0104955579.
The spelling of 64005038 in words is "sixty-four million, five thousand, thirty-eight".
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