Base | Representation |
---|---|
bin | 1111010011000… |
… | …0001110101111 |
3 | 11110201200220202 |
4 | 3310300032233 |
5 | 112411120222 |
6 | 10211104115 |
7 | 1406233253 |
oct | 364601657 |
9 | 143650822 |
10 | 64160687 |
11 | 33242968 |
12 | 195a203b |
13 | 103a5a06 |
14 | 8742263 |
15 | 5975892 |
hex | 3d303af |
64160687 has 16 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 60077472.
The previous prime is 64160659. The next prime is 64160689. The reversal of 64160687 is 78606146.
It is a cyclic number.
It is not a de Polignac number, because 64160687 - 26 = 64160623 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 64160687.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64160689) 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, 106814 + ... + 107412.
It is an arithmetic number, because the mean of its divisors is an integer number (4276800).
Almost surely, 264160687 is an apocalyptic number.
64160687 is a deficient number, since it is larger than the sum of its proper divisors (4268113).
64160687 is a wasteful number, since it uses less digits than its factorization.
64160687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 742.
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 64160687 is about 8010.0366416141. The cubic root of 64160687 is about 400.3344848052.
The spelling of 64160687 in words is "sixty-four million, one hundred sixty thousand, six hundred eighty-seven".
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