Base | Representation |
---|---|
bin | 1011011010101… |
… | …1100100011000 |
3 | 10100002222220020 |
4 | 2312223210120 |
5 | 44224414124 |
6 | 4430230440 |
7 | 1121022045 |
oct | 266534430 |
9 | 110088806 |
10 | 47888664 |
11 | 2503950a |
12 | 14055420 |
13 | 9bc93b5 |
14 | 65081cc |
15 | 430e379 |
hex | 2dab918 |
47888664 has 32 divisors (see below), whose sum is σ = 126024000. Its totient is φ = 15122592.
The previous prime is 47888663. The next prime is 47888671. The reversal of 47888664 is 46688874.
47888664 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 (47888663) 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 7 ways as a sum of consecutive naturals, for example, 52054 + ... + 52965.
It is an arithmetic number, because the mean of its divisors is an integer number (3938250).
Almost surely, 247888664 is an apocalyptic number.
It is an amenable number.
47888664 is an abundant number, since it is smaller than the sum of its proper divisors (78135336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47888664 is a wasteful number, since it uses less digits than its factorization.
47888664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105047 (or 105043 counting only the distinct ones).
The product of its digits is 2064384, while the sum is 51.
The square root of 47888664 is about 6920.1635818816. The cubic root of 47888664 is about 363.1429136216.
The spelling of 47888664 in words is "forty-seven million, eight hundred eighty-eight thousand, six hundred sixty-four".
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