Base | Representation |
---|---|
bin | 1100011001101… |
… | …0000010000111 |
3 | 10121212102212122 |
4 | 3012122002013 |
5 | 101303324033 |
6 | 5054440155 |
7 | 1201041662 |
oct | 306320207 |
9 | 117772778 |
10 | 52011143 |
11 | 273a4818 |
12 | 1550305b |
13 | aa10932 |
14 | 6c9c6d9 |
15 | 4875a98 |
hex | 319a087 |
52011143 has 8 divisors (see below), whose sum is σ = 55284768. Its totient is φ = 48761344.
The previous prime is 52011107. The next prime is 52011163. The reversal of 52011143 is 34111025.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52011143 - 28 = 52010887 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52011103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346 + ... + 10287.
It is an arithmetic number, because the mean of its divisors is an integer number (6910596).
Almost surely, 252011143 is an apocalyptic number.
52011143 is a deficient number, since it is larger than the sum of its proper divisors (3273625).
52011143 is a wasteful number, since it uses less digits than its factorization.
52011143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11913.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 52011143 is about 7211.8751375769. The cubic root of 52011143 is about 373.2777749133.
Adding to 52011143 its reverse (34111025), we get a palindrome (86122168).
The spelling of 52011143 in words is "fifty-two million, eleven thousand, one hundred forty-three".
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