Base | Representation |
---|---|
bin | 1010011011011… |
… | …01011011001011 |
3 | 20002121110000102 |
4 | 11031231123023 |
5 | 134343330021 |
6 | 12403000015 |
7 | 2111365523 |
oct | 515553313 |
9 | 202543012 |
10 | 87480011 |
11 | 45420033 |
12 | 2536900b |
13 | 1517bc28 |
14 | b892683 |
15 | 7a3000b |
hex | 536d6cb |
87480011 has 12 divisors (see below), whose sum is σ = 93278880. Its totient is φ = 82024320.
The previous prime is 87480007. The next prime is 87480031. The reversal of 87480011 is 11008478.
It is not a de Polignac number, because 87480011 - 22 = 87480007 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87480031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121310 + ... + 122028.
It is an arithmetic number, because the mean of its divisors is an integer number (7773240).
Almost surely, 287480011 is an apocalyptic number.
87480011 is a deficient number, since it is larger than the sum of its proper divisors (5798869).
87480011 is a wasteful number, since it uses less digits than its factorization.
87480011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1174 (or 1157 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 29.
The square root of 87480011 is about 9353.0749489139. The cubic root of 87480011 is about 443.9181919860.
Adding to 87480011 its reverse (11008478), we get a palindrome (98488489).
The spelling of 87480011 in words is "eighty-seven million, four hundred eighty thousand, eleven".
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