Base | Representation |
---|---|
bin | 1010011010110… |
… | …11111110111111 |
3 | 20002110211000122 |
4 | 11031123332333 |
5 | 134334033300 |
6 | 12401245155 |
7 | 2110650332 |
oct | 515337677 |
9 | 202424018 |
10 | 87408575 |
11 | 453813a1 |
12 | 253337bb |
13 | 15155567 |
14 | b874619 |
15 | 7a18c85 |
hex | 535bfbf |
87408575 has 6 divisors (see below), whose sum is σ = 108386664. Its totient is φ = 69926840.
The previous prime is 87408557. The next prime is 87408583. The reversal of 87408575 is 57580478.
It is not a de Polignac number, because 87408575 - 224 = 70631359 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1748147 + ... + 1748196.
It is an arithmetic number, because the mean of its divisors is an integer number (18064444).
Almost surely, 287408575 is an apocalyptic number.
87408575 is a deficient number, since it is larger than the sum of its proper divisors (20978089).
87408575 is a wasteful number, since it uses less digits than its factorization.
87408575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3496353 (or 3496348 counting only the distinct ones).
The product of its (nonzero) digits is 313600, while the sum is 44.
The square root of 87408575 is about 9349.2553179384. The cubic root of 87408575 is about 443.7973248476.
The spelling of 87408575 in words is "eighty-seven million, four hundred eight thousand, five hundred seventy-five".
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