Base | Representation |
---|---|
bin | 1100100011111… |
… | …1001111101111 |
3 | 10200010211011001 |
4 | 3020333033233 |
5 | 101442002410 |
6 | 5121141131 |
7 | 1206560623 |
oct | 310771757 |
9 | 120124131 |
10 | 52687855 |
11 | 27817190 |
12 | 1578a7a7 |
13 | abb995c |
14 | 6dd7183 |
15 | 495b33a |
hex | 323f3ef |
52687855 has 32 divisors (see below), whose sum is σ = 73359360. Its totient is φ = 35925120.
The previous prime is 52687841. The next prime is 52687903. The reversal of 52687855 is 55878625.
It is not a de Polignac number, because 52687855 - 211 = 52685807 is a prime.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132517 + ... + 132913.
It is an arithmetic number, because the mean of its divisors is an integer number (2292480).
Almost surely, 252687855 is an apocalyptic number.
52687855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
52687855 is a deficient number, since it is larger than the sum of its proper divisors (20671505).
52687855 is a wasteful number, since it uses less digits than its factorization.
52687855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 559.
The product of its digits is 672000, while the sum is 46.
The square root of 52687855 is about 7258.6400241368. The cubic root of 52687855 is about 374.8896979294.
The spelling of 52687855 in words is "fifty-two million, six hundred eighty-seven thousand, eight hundred fifty-five".
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