Base | Representation |
---|---|
bin | 1010011010101… |
… | …11001011100000 |
3 | 20002102211000210 |
4 | 11031113023200 |
5 | 134332421041 |
6 | 12401014120 |
7 | 2110536060 |
oct | 515271340 |
9 | 202384023 |
10 | 87388896 |
11 | 45368631 |
12 | 25324340 |
13 | 1514960a |
14 | b86b3a0 |
15 | 7a13016 |
hex | 53572e0 |
87388896 has 48 divisors (see below), whose sum is σ = 262168704. Its totient is φ = 24968064.
The previous prime is 87388877. The next prime is 87388909. The reversal of 87388896 is 69888378.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64350 + ... + 65693.
It is an arithmetic number, because the mean of its divisors is an integer number (5461848).
Almost surely, 287388896 is an apocalyptic number.
It is an amenable number.
87388896 is an abundant number, since it is smaller than the sum of its proper divisors (174779808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87388896 is a wasteful number, since it uses less digits than its factorization.
87388896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130063 (or 130055 counting only the distinct ones).
The product of its digits is 4644864, while the sum is 57.
The square root of 87388896 is about 9348.2028219332. The cubic root of 87388896 is about 443.7640171199.
The spelling of 87388896 in words is "eighty-seven million, three hundred eighty-eight thousand, eight hundred ninety-six".
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