Base | Representation |
---|---|
bin | 1010011000100… |
… | …01101100100000 |
3 | 20001220100121202 |
4 | 11030101230200 |
5 | 134244314123 |
6 | 12350540332 |
7 | 2105242235 |
oct | 514215440 |
9 | 201810552 |
10 | 87104288 |
11 | 45193817 |
12 | 252076a8 |
13 | 15079bcb |
14 | b7d578c |
15 | 79a8a28 |
hex | 5311b20 |
87104288 has 24 divisors (see below), whose sum is σ = 174050352. Its totient is φ = 42901056.
The previous prime is 87104273. The next prime is 87104293. The reversal of 87104288 is 88240178.
It is a happy 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, 18170 + ... + 22457.
It is an arithmetic number, because the mean of its divisors is an integer number (7252098).
Almost surely, 287104288 is an apocalyptic number.
It is an amenable number.
87104288 is a deficient number, since it is larger than the sum of its proper divisors (86946064).
87104288 is a wasteful number, since it uses less digits than its factorization.
87104288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40704 (or 40696 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 38.
The square root of 87104288 is about 9332.9678023660. The cubic root of 87104288 is about 443.2817432320.
The spelling of 87104288 in words is "eighty-seven million, one hundred four thousand, two hundred eighty-eight".
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