Base | Representation |
---|---|
bin | 1100011101010… |
… | …0110111101111 |
3 | 10122022200110120 |
4 | 3013110313233 |
5 | 101334032033 |
6 | 5103540023 |
7 | 1203064416 |
oct | 307246757 |
9 | 118280416 |
10 | 52252143 |
11 | 27549899 |
12 | 155ba613 |
13 | aa96538 |
14 | 6d2247d |
15 | 48c21b3 |
hex | 31d4def |
52252143 has 16 divisors (see below), whose sum is σ = 72124416. Its totient is φ = 33613920.
The previous prime is 52252141. The next prime is 52252153. The reversal of 52252143 is 34125225.
It is not a de Polignac number, because 52252143 - 21 = 52252141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52252141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46221 + ... + 47337.
It is an arithmetic number, because the mean of its divisors is an integer number (4507776).
Almost surely, 252252143 is an apocalyptic number.
52252143 is a deficient number, since it is larger than the sum of its proper divisors (19872273).
52252143 is a wasteful number, since it uses less digits than its factorization.
52252143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1654.
The product of its digits is 2400, while the sum is 24.
The square root of 52252143 is about 7228.5643802902. The cubic root of 52252143 is about 373.8534294645.
Adding to 52252143 its reverse (34125225), we get a palindrome (86377368).
The spelling of 52252143 in words is "fifty-two million, two hundred fifty-two thousand, one hundred forty-three".
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