Base | Representation |
---|---|
bin | 1010011010110… |
… | …00101011100001 |
3 | 20002110010110101 |
4 | 11031120223201 |
5 | 134333120131 |
6 | 12401102401 |
7 | 2110563016 |
oct | 515305341 |
9 | 202403411 |
10 | 87395041 |
11 | 45372208 |
12 | 25327a01 |
13 | 1514c356 |
14 | b86d70d |
15 | 7a14c61 |
hex | 5358ae1 |
87395041 has 4 divisors (see below), whose sum is σ = 91994800. Its totient is φ = 82795284.
The previous prime is 87395027. The next prime is 87395047. The reversal of 87395041 is 14059378.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14059378 = 2 ⋅7029689.
It is a cyclic number.
It is not a de Polignac number, because 87395041 - 211 = 87392993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87395047) 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 in 3 ways as a sum of consecutive naturals, for example, 2299851 + ... + 2299888.
It is an arithmetic number, because the mean of its divisors is an integer number (22998700).
Almost surely, 287395041 is an apocalyptic number.
It is an amenable number.
87395041 is a deficient number, since it is larger than the sum of its proper divisors (4599759).
87395041 is a wasteful number, since it uses less digits than its factorization.
87395041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4599758.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 87395041 is about 9348.5314889559. The cubic root of 87395041 is about 443.7744183878.
The spelling of 87395041 in words is "eighty-seven million, three hundred ninety-five thousand, forty-one".
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