Base | Representation |
---|---|
bin | 1100101100011… |
… | …0100101001001 |
3 | 10201011222112210 |
4 | 3023012211021 |
5 | 102112222220 |
6 | 5141055333 |
7 | 1214360013 |
oct | 313064511 |
9 | 121158483 |
10 | 53242185 |
11 | 28065707 |
12 | 159b7549 |
13 | b052069 |
14 | 70dd1b3 |
15 | 4a1a6e0 |
hex | 32c6949 |
53242185 has 16 divisors (see below), whose sum is σ = 86356224. Its totient is φ = 28006272.
The previous prime is 53242183. The next prime is 53242187. The reversal of 53242185 is 58124235.
It is an interprime number because it is at equal distance from previous prime (53242183) and next prime (53242187).
It is not a de Polignac number, because 53242185 - 21 = 53242183 is a prime.
It is not an unprimeable number, because it can be changed into a prime (53242183) 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, 23217 + ... + 25406.
It is an arithmetic number, because the mean of its divisors is an integer number (5397264).
Almost surely, 253242185 is an apocalyptic number.
It is an amenable number.
53242185 is a deficient number, since it is larger than the sum of its proper divisors (33114039).
53242185 is a wasteful number, since it uses less digits than its factorization.
53242185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48704.
The product of its digits is 9600, while the sum is 30.
The square root of 53242185 is about 7296.7242650384. The cubic root of 53242185 is about 376.1998546137.
The spelling of 53242185 in words is "fifty-three million, two hundred forty-two thousand, one hundred eighty-five".
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