Base | Representation |
---|---|
bin | 11101000010101… |
… | …000010101110100 |
3 | 1020221210210020200 |
4 | 131002220111310 |
5 | 1444212310123 |
6 | 120203000500 |
7 | 15034243044 |
oct | 3502502564 |
9 | 1227723220 |
10 | 487228788 |
11 | 230034222 |
12 | 117209130 |
13 | 79c33077 |
14 | 489cd724 |
15 | 2cb94143 |
hex | 1d0a8574 |
487228788 has 36 divisors (see below), whose sum is σ = 1254848868. Its totient is φ = 159344640.
The previous prime is 487228771. The next prime is 487228793. The reversal of 487228788 is 887822784.
487228788 is a `hidden beast` number, since 487 + 2 + 2 + 87 + 88 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 203575824 + 283652964 = 14268^2 + 16842^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 125773 + ... + 129588.
It is an arithmetic number, because the mean of its divisors is an integer number (34856913).
Almost surely, 2487228788 is an apocalyptic number.
It is an amenable number.
487228788 is an abundant number, since it is smaller than the sum of its proper divisors (767620080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487228788 is a wasteful number, since it uses less digits than its factorization.
487228788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255424 (or 255419 counting only the distinct ones).
The product of its digits is 3211264, while the sum is 54.
The square root of 487228788 is about 22073.2595689898. The cubic root of 487228788 is about 786.8844810847.
The spelling of 487228788 in words is "four hundred eighty-seven million, two hundred twenty-eight thousand, seven hundred eighty-eight".
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