Base | Representation |
---|---|
bin | 11101000010010… |
… | …001110011101000 |
3 | 1020221122002122011 |
4 | 131002101303220 |
5 | 1444201331423 |
6 | 120201005304 |
7 | 15033406666 |
oct | 3502216350 |
9 | 1227562564 |
10 | 487136488 |
11 | 22aa80943 |
12 | 117183834 |
13 | 79c00057 |
14 | 489a7c36 |
15 | 2cb76b0d |
hex | 1d091ce8 |
487136488 has 8 divisors (see below), whose sum is σ = 913380930. Its totient is φ = 243568240.
The previous prime is 487136483. The next prime is 487136537. The reversal of 487136488 is 884631784.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 280294564 + 206841924 = 16742^2 + 14382^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (487136483) 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 as a sum of consecutive naturals, namely, 30446023 + ... + 30446038.
Almost surely, 2487136488 is an apocalyptic number.
It is an amenable number.
487136488 is a deficient number, since it is larger than the sum of its proper divisors (426244442).
487136488 is a wasteful number, since it uses less digits than its factorization.
487136488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60892067 (or 60892063 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 49.
The square root of 487136488 is about 22071.1687048964. The cubic root of 487136488 is about 786.8347891493.
The spelling of 487136488 in words is "four hundred eighty-seven million, one hundred thirty-six thousand, four hundred eighty-eight".
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