Base | Representation |
---|---|
bin | 1010010111111… |
… | …00011011110100 |
3 | 20001201221011102 |
4 | 11023330123310 |
5 | 134234022304 |
6 | 12345025232 |
7 | 2104430321 |
oct | 513743364 |
9 | 201657142 |
10 | 87017204 |
11 | 4513434a |
12 | 25185218 |
13 | 15049391 |
14 | b7b1b48 |
15 | 798cd1e |
hex | 52fc6f4 |
87017204 has 12 divisors (see below), whose sum is σ = 152655300. Its totient is φ = 43401408.
The previous prime is 87017159. The next prime is 87017213. The reversal of 87017204 is 40271078.
It can be written as a sum of positive squares in 2 ways, for example, as 82773604 + 4243600 = 9098^2 + 2060^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24959 + ... + 28230.
It is an arithmetic number, because the mean of its divisors is an integer number (12721275).
Almost surely, 287017204 is an apocalyptic number.
It is an amenable number.
87017204 is a deficient number, since it is larger than the sum of its proper divisors (65638096).
87017204 is a wasteful number, since it uses less digits than its factorization.
87017204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53602 (or 53600 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 29.
The square root of 87017204 is about 9328.3012387036. The cubic root of 87017204 is about 443.1339678088.
The spelling of 87017204 in words is "eighty-seven million, seventeen thousand, two hundred four".
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