Base | Representation |
---|---|
bin | 1100011011000… |
… | …0001111111111 |
3 | 10122001001201000 |
4 | 3012300033333 |
5 | 101314232033 |
6 | 5100421343 |
7 | 1201601202 |
oct | 306601777 |
9 | 118031630 |
10 | 52102143 |
11 | 27457125 |
12 | 15547853 |
13 | aa43192 |
14 | 6cc3939 |
15 | 4892a13 |
hex | 31b03ff |
52102143 has 16 divisors (see below), whose sum is σ = 78278400. Its totient is φ = 34244280.
The previous prime is 52102051. The next prime is 52102147. The reversal of 52102143 is 34120125.
52102143 is a `hidden beast` number, since 521 + 0 + 2 + 143 = 666.
It is not a de Polignac number, because 52102143 - 28 = 52101887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52102147) 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, 11673 + ... + 15506.
It is an arithmetic number, because the mean of its divisors is an integer number (4892400).
Almost surely, 252102143 is an apocalyptic number.
52102143 is a deficient number, since it is larger than the sum of its proper divisors (26176257).
52102143 is a wasteful number, since it uses less digits than its factorization.
52102143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27259 (or 27253 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 52102143 is about 7218.1814191665. The cubic root of 52102143 is about 373.4953467913.
Adding to 52102143 its reverse (34120125), we get a palindrome (86222268).
The spelling of 52102143 in words is "fifty-two million, one hundred two thousand, one hundred forty-three".
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