Base | Representation |
---|---|
bin | 1100011011011… |
… | …1100100101111 |
3 | 10122002120212010 |
4 | 3012313210233 |
5 | 101321212033 |
6 | 5101212303 |
7 | 1202054520 |
oct | 306674457 |
9 | 118076763 |
10 | 52132143 |
11 | 27477718 |
12 | 15561093 |
13 | aa53a2b |
14 | 6cd0847 |
15 | 489b863 |
hex | 31b792f |
52132143 has 16 divisors (see below), whose sum is σ = 83621120. Its totient is φ = 28221696.
The previous prime is 52132141. The next prime is 52132159. The reversal of 52132143 is 34123125.
It is not a de Polignac number, because 52132143 - 21 = 52132141 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52132141) 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, 64930 + ... + 65727.
It is an arithmetic number, because the mean of its divisors is an integer number (5226320).
Almost surely, 252132143 is an apocalyptic number.
52132143 is a deficient number, since it is larger than the sum of its proper divisors (31488977).
52132143 is a wasteful number, since it uses less digits than its factorization.
52132143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130686.
The product of its digits is 720, while the sum is 21.
The square root of 52132143 is about 7220.2592058734. The cubic root of 52132143 is about 373.5670182549.
Adding to 52132143 its reverse (34123125), we get a palindrome (86255268).
The spelling of 52132143 in words is "fifty-two million, one hundred thirty-two thousand, one hundred forty-three".
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