Base | Representation |
---|---|
bin | 1100011111010… |
… | …1100110001111 |
3 | 10122120111100022 |
4 | 3013311212033 |
5 | 101402324231 |
6 | 5110452355 |
7 | 1204163264 |
oct | 307654617 |
9 | 118514308 |
10 | 52386191 |
11 | 27630580 |
12 | 156640bb |
13 | ab12560 |
14 | 6d5926b |
15 | 48ebc7b |
hex | 31f598f |
52386191 has 16 divisors (see below), whose sum is σ = 63214368. Its totient is φ = 42768000.
The previous prime is 52386179. The next prime is 52386193. The reversal of 52386191 is 19168325.
It is not a de Polignac number, because 52386191 - 26 = 52386127 is a prime.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52386193) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341 + ... + 10241.
It is an arithmetic number, because the mean of its divisors is an integer number (3950898).
Almost surely, 252386191 is an apocalyptic number.
52386191 is a deficient number, since it is larger than the sum of its proper divisors (10828177).
52386191 is a wasteful number, since it uses less digits than its factorization.
52386191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9962.
The product of its digits is 12960, while the sum is 35.
The square root of 52386191 is about 7237.8305451288. The cubic root of 52386191 is about 374.1728518402.
The spelling of 52386191 in words is "fifty-two million, three hundred eighty-six thousand, one hundred ninety-one".
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