Base | Representation |
---|---|
bin | 1011011011011… |
… | …1010101111001 |
3 | 10100012110001100 |
4 | 2312313111321 |
5 | 44232440024 |
6 | 4431242013 |
7 | 1121312460 |
oct | 266672571 |
9 | 110173040 |
10 | 47936889 |
11 | 25071770 |
12 | 14079309 |
13 | 9c15330 |
14 | 651b9d7 |
15 | 431d7c9 |
hex | 2db7579 |
47936889 has 96 divisors (see below), whose sum is σ = 98751744. Its totient is φ = 21565440.
The previous prime is 47936887. The next prime is 47936893. The reversal of 47936889 is 98863974.
It is not a de Polignac number, because 47936889 - 21 = 47936887 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47936887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 152997 + ... + 153309.
It is an arithmetic number, because the mean of its divisors is an integer number (1028664).
Almost surely, 247936889 is an apocalyptic number.
It is an amenable number.
47936889 is an abundant number, since it is smaller than the sum of its proper divisors (50814855).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47936889 is a wasteful number, since it uses less digits than its factorization.
47936889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367 (or 364 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 54.
The square root of 47936889 is about 6923.6470880599. The cubic root of 47936889 is about 363.2647705171.
The spelling of 47936889 in words is "forty-seven million, nine hundred thirty-six thousand, eight hundred eighty-nine".
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