Base | Representation |
---|---|
bin | 1010011011110… |
… | …11100101101011 |
3 | 20002201101121011 |
4 | 11031323211223 |
5 | 134402204102 |
6 | 12404124351 |
7 | 2112026623 |
oct | 515734553 |
9 | 202641534 |
10 | 87538027 |
11 | 4545a685 |
12 | 253966b7 |
13 | 1519c465 |
14 | b8a9883 |
15 | 7a422d7 |
hex | 537b96b |
87538027 has 2 divisors, whose sum is σ = 87538028. Its totient is φ = 87538026.
The previous prime is 87537991. The next prime is 87538039. The reversal of 87538027 is 72083578.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 87538027 - 219 = 87013739 is a prime.
It is not a weakly prime, because it can be changed into another prime (87538057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43769013 + 43769014.
It is an arithmetic number, because the mean of its divisors is an integer number (43769014).
Almost surely, 287538027 is an apocalyptic number.
87538027 is a deficient number, since it is larger than the sum of its proper divisors (1).
87538027 is an equidigital number, since it uses as much as digits as its factorization.
87538027 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 94080, while the sum is 40.
The square root of 87538027 is about 9356.1758747899. The cubic root of 87538027 is about 444.0163045578.
The spelling of 87538027 in words is "eighty-seven million, five hundred thirty-eight thousand, twenty-seven".
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