Base | Representation |
---|---|
bin | 1111010011000… |
… | …0101101110000 |
3 | 11110201210122021 |
4 | 3310300231300 |
5 | 112411201142 |
6 | 10211121224 |
7 | 1406242120 |
oct | 364605560 |
9 | 143653567 |
10 | 64162672 |
11 | 33244402 |
12 | 195a3214 |
13 | 103a68a2 |
14 | 8742c80 |
15 | 5976267 |
hex | 3d30b70 |
64162672 has 20 divisors (see below), whose sum is σ = 142074736. Its totient is φ = 27498240.
The previous prime is 64162633. The next prime is 64162673. The reversal of 64162672 is 27626146.
64162672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64162673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286329 + ... + 286552.
Almost surely, 264162672 is an apocalyptic number.
It is an amenable number.
64162672 is an abundant number, since it is smaller than the sum of its proper divisors (77912064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64162672 is a wasteful number, since it uses less digits than its factorization.
64162672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 572896 (or 572890 counting only the distinct ones).
The product of its digits is 24192, while the sum is 34.
The square root of 64162672 is about 8010.1605477044. The cubic root of 64162672 is about 400.3386132717.
The spelling of 64162672 in words is "sixty-four million, one hundred sixty-two thousand, six hundred seventy-two".
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