Base | Representation |
---|---|
bin | 1010011101101… |
… | …10000000110101 |
3 | 20010011112212100 |
4 | 11032312000311 |
5 | 134432333313 |
6 | 12413212313 |
7 | 2114044410 |
oct | 516660065 |
9 | 203145770 |
10 | 87777333 |
11 | 45603456 |
12 | 25491099 |
13 | 15254367 |
14 | b92cb77 |
15 | 7a8d173 |
hex | 53b6035 |
87777333 has 24 divisors (see below), whose sum is σ = 145349568. Its totient is φ = 50003712.
The previous prime is 87777331. The next prime is 87777413. The reversal of 87777333 is 33377778.
It is not a de Polignac number, because 87777333 - 21 = 87777331 is a prime.
It is a nialpdrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87777331) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 20266 + ... + 24212.
It is an arithmetic number, because the mean of its divisors is an integer number (6056232).
Almost surely, 287777333 is an apocalyptic number.
It is an amenable number.
87777333 is a deficient number, since it is larger than the sum of its proper divisors (57572235).
87777333 is a wasteful number, since it uses less digits than its factorization.
87777333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4313 (or 4310 counting only the distinct ones).
The product of its digits is 518616, while the sum is 45.
The square root of 87777333 is about 9368.9558116153. The cubic root of 87777333 is about 444.4205444486.
It can be divided in two parts, 8777 and 7333, that added together give a triangular number (16110 = T179).
The spelling of 87777333 in words is "eighty-seven million, seven hundred seventy-seven thousand, three hundred thirty-three".
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