Base | Representation |
---|---|
bin | 1010001110011… |
… | …0101000100001 |
3 | 2222200220212211 |
4 | 2203212220201 |
5 | 41434401323 |
6 | 4131122121 |
7 | 1030353031 |
oct | 243465041 |
9 | 88626784 |
10 | 42887713 |
11 | 222331a0 |
12 | 12443341 |
13 | 8b6805b |
14 | 59a58c1 |
15 | 3b7270d |
hex | 28e6a21 |
42887713 has 16 divisors (see below), whose sum is σ = 47692800. Its totient is φ = 38243200.
The previous prime is 42887711. The next prime is 42887717. The reversal of 42887713 is 31778824.
It is a cyclic number.
It is not a de Polignac number, because 42887713 - 21 = 42887711 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42887711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224448 + ... + 224638.
It is an arithmetic number, because the mean of its divisors is an integer number (2980800).
Almost surely, 242887713 is an apocalyptic number.
It is an amenable number.
42887713 is a deficient number, since it is larger than the sum of its proper divisors (4805087).
42887713 is a wasteful number, since it uses less digits than its factorization.
42887713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488.
The product of its digits is 75264, while the sum is 40.
The square root of 42887713 is about 6548.8711240946. The cubic root of 42887713 is about 350.0345897787.
Subtracting from 42887713 its reverse (31778824), we obtain a square (11108889 = 33332).
The spelling of 42887713 in words is "forty-two million, eight hundred eighty-seven thousand, seven hundred thirteen".
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