Base | Representation |
---|---|
bin | 1010011110001… |
… | …00100110001010 |
3 | 20010021120210200 |
4 | 11033010212022 |
5 | 134441241231 |
6 | 12414353030 |
7 | 2114413512 |
oct | 517044612 |
9 | 203246720 |
10 | 87837066 |
11 | 45644319 |
12 | 254bb776 |
13 | 152755c5 |
14 | b946842 |
15 | 7aa0be6 |
hex | 53c498a |
87837066 has 12 divisors (see below), whose sum is σ = 190313682. Its totient is φ = 29279016.
The previous prime is 87837053. The next prime is 87837077. The reversal of 87837066 is 66073878.
It can be written as a sum of positive squares in only one way, i.e., 72743841 + 15093225 = 8529^2 + 3885^2 .
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, 2439901 + ... + 2439936.
Almost surely, 287837066 is an apocalyptic number.
87837066 is an abundant number, since it is smaller than the sum of its proper divisors (102476616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87837066 is a wasteful number, since it uses less digits than its factorization.
87837066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4879845 (or 4879842 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The square root of 87837066 is about 9372.1430846952. The cubic root of 87837066 is about 444.5213318693.
The spelling of 87837066 in words is "eighty-seven million, eight hundred thirty-seven thousand, sixty-six".
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