Base | Representation |
---|---|
bin | 100000010110111… |
… | …100101100011111 |
3 | 1101211112111112100 |
4 | 200112330230133 |
5 | 2102434333222 |
6 | 125511540143 |
7 | 16311314010 |
oct | 4026745437 |
9 | 1354474470 |
10 | 542886687 |
11 | 259499892 |
12 | 13198a653 |
13 | 8861c835 |
14 | 5215b007 |
15 | 329da4ac |
hex | 205bcb1f |
542886687 has 48 divisors (see below), whose sum is σ = 990213120. Its totient is φ = 279265536.
The previous prime is 542886637. The next prime is 542886697. The reversal of 542886687 is 786688245.
It is not a de Polignac number, because 542886687 - 26 = 542886623 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542886637) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13614 + ... + 35652.
It is an arithmetic number, because the mean of its divisors is an integer number (20629440).
Almost surely, 2542886687 is an apocalyptic number.
542886687 is a deficient number, since it is larger than the sum of its proper divisors (447326433).
542886687 is a wasteful number, since it uses less digits than its factorization.
542886687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22092 (or 22089 counting only the distinct ones).
The product of its digits is 5160960, while the sum is 54.
The square root of 542886687 is about 23299.9289054709. The cubic root of 542886687 is about 815.7737577441.
The spelling of 542886687 in words is "five hundred forty-two million, eight hundred eighty-six thousand, six hundred eighty-seven".
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