Base | Representation |
---|---|
bin | 1010011010111… |
… | …00101111011110 |
3 | 20002110222021120 |
4 | 11031130233132 |
5 | 134334133203 |
6 | 12401311410 |
7 | 2110662354 |
oct | 515345736 |
9 | 202428246 |
10 | 87411678 |
11 | 45383762 |
12 | 25335566 |
13 | 15156ab3 |
14 | b8757d4 |
15 | 7a19b53 |
hex | 535cbde |
87411678 has 16 divisors (see below), whose sum is σ = 176428560. Its totient is φ = 28869696.
The previous prime is 87411673. The next prime is 87411689. The reversal of 87411678 is 87611478.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87411673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66175 + ... + 67482.
It is an arithmetic number, because the mean of its divisors is an integer number (11026785).
Almost surely, 287411678 is an apocalyptic number.
87411678 is an abundant number, since it is smaller than the sum of its proper divisors (89016882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87411678 is a wasteful number, since it uses less digits than its factorization.
87411678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133771.
The product of its digits is 75264, while the sum is 42.
The square root of 87411678 is about 9349.4212655116. The cubic root of 87411678 is about 443.8025763797.
The spelling of 87411678 in words is "eighty-seven million, four hundred eleven thousand, six hundred seventy-eight".
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