Base | Representation |
---|---|
bin | 1011010100011… |
… | …1011011000100 |
3 | 10022100011012210 |
4 | 2311013123010 |
5 | 44123302333 |
6 | 4413343420 |
7 | 1114363122 |
oct | 265073304 |
9 | 108304183 |
10 | 47478468 |
11 | 24889304 |
12 | 13a97b70 |
13 | 9ab478b |
14 | 643c912 |
15 | 427ca63 |
hex | 2d476c4 |
47478468 has 48 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 15482784.
The previous prime is 47478427. The next prime is 47478479. The reversal of 47478468 is 86487474.
It is a happy number.
47478468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 132073 + ... + 132431.
It is an arithmetic number, because the mean of its divisors is an integer number (2358720).
Almost surely, 247478468 is an apocalyptic number.
It is an amenable number.
47478468 is an abundant number, since it is smaller than the sum of its proper divisors (65740092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47478468 is a wasteful number, since it uses less digits than its factorization.
47478468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 576 (or 574 counting only the distinct ones).
The product of its digits is 1204224, while the sum is 48.
The square root of 47478468 is about 6890.4621035167. The cubic root of 47478468 is about 362.1030912190.
The spelling of 47478468 in words is "forty-seven million, four hundred seventy-eight thousand, four hundred sixty-eight".
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