Base | Representation |
---|---|
bin | 1100011011101… |
… | …0000000110101 |
3 | 10122010002120010 |
4 | 3012322000311 |
5 | 101322022013 |
6 | 5101330433 |
7 | 1202125611 |
oct | 306720065 |
9 | 118102503 |
10 | 52142133 |
11 | 2748417a |
12 | 15566a19 |
13 | aa58444 |
14 | 6cd4341 |
15 | 489e7c3 |
hex | 31ba035 |
52142133 has 8 divisors (see below), whose sum is σ = 70403200. Its totient is φ = 34321248.
The previous prime is 52142071. The next prime is 52142141. The reversal of 52142133 is 33124125.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52142133 - 210 = 52141109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52142143) 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, 109768 + ... + 110241.
It is an arithmetic number, because the mean of its divisors is an integer number (8800400).
Almost surely, 252142133 is an apocalyptic number.
It is an amenable number.
52142133 is a deficient number, since it is larger than the sum of its proper divisors (18261067).
52142133 is a wasteful number, since it uses less digits than its factorization.
52142133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220091.
The product of its digits is 720, while the sum is 21.
The square root of 52142133 is about 7220.9509761527. The cubic root of 52142133 is about 373.5908787495.
Adding to 52142133 its reverse (33124125), we get a palindrome (85266258).
The spelling of 52142133 in words is "fifty-two million, one hundred forty-two thousand, one hundred thirty-three".
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