Base | Representation |
---|---|
bin | 1100011100100… |
… | …0101010011111 |
3 | 10122020010212201 |
4 | 3013020222133 |
5 | 101330432033 |
6 | 5102512331 |
7 | 1202465560 |
oct | 307105237 |
9 | 118203781 |
10 | 52202143 |
11 | 27515274 |
12 | 155956a7 |
13 | aa79856 |
14 | 6d0c167 |
15 | 48b247d |
hex | 31c8a9f |
52202143 has 8 divisors (see below), whose sum is σ = 61115040. Its totient is φ = 43653120.
The previous prime is 52202123. The next prime is 52202147. The reversal of 52202143 is 34120225.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52202143 - 213 = 52193951 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 52202143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52202147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90658 + ... + 91231.
It is an arithmetic number, because the mean of its divisors is an integer number (7639380).
Almost surely, 252202143 is an apocalyptic number.
52202143 is a deficient number, since it is larger than the sum of its proper divisors (8912897).
52202143 is a wasteful number, since it uses less digits than its factorization.
52202143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181937.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 52202143 is about 7225.1050511394. The cubic root of 52202143 is about 373.7341448068.
Adding to 52202143 its reverse (34120225), we get a palindrome (86322368).
The spelling of 52202143 in words is "fifty-two million, two hundred two thousand, one hundred forty-three".
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