Base | Representation |
---|---|
bin | 1010011010011… |
… | …01000010110111 |
3 | 20002100201002021 |
4 | 11031031002313 |
5 | 134330104013 |
6 | 12400054011 |
7 | 2110304044 |
oct | 515150267 |
9 | 202321067 |
10 | 87347383 |
11 | 4533a422 |
12 | 25304307 |
13 | 15133756 |
14 | b85a1cb |
15 | 7a05a8d |
hex | 534d0b7 |
87347383 has 2 divisors, whose sum is σ = 87347384. Its totient is φ = 87347382.
The previous prime is 87347369. The next prime is 87347401. The reversal of 87347383 is 38374378.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87347383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87347483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43673691 + 43673692.
It is an arithmetic number, because the mean of its divisors is an integer number (43673692).
Almost surely, 287347383 is an apocalyptic number.
87347383 is a deficient number, since it is larger than the sum of its proper divisors (1).
87347383 is an equidigital number, since it uses as much as digits as its factorization.
87347383 is an evil number, because the sum of its binary digits is even.
The product of its digits is 338688, while the sum is 43.
The square root of 87347383 is about 9345.9821848750. The cubic root of 87347383 is about 443.6937378117.
The spelling of 87347383 in words is "eighty-seven million, three hundred forty-seven thousand, three hundred eighty-three".
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