Base | Representation |
---|---|
bin | 1100101010100… |
… | …1110000101111 |
3 | 10200221222121212 |
4 | 3022221300233 |
5 | 102044433033 |
6 | 5134345035 |
7 | 1213355612 |
oct | 312516057 |
9 | 120858555 |
10 | 53124143 |
11 | 27a94a56 |
12 | 1595b17b |
13 | b010407 |
14 | 70ac179 |
15 | 49e5748 |
hex | 32a9c2f |
53124143 has 4 divisors (see below), whose sum is σ = 54956040. Its totient is φ = 51292248.
The previous prime is 53124121. The next prime is 53124191. The reversal of 53124143 is 34142135.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 53124143 - 28 = 53123887 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 (53121143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915905 + ... + 915962.
It is an arithmetic number, because the mean of its divisors is an integer number (13739010).
Almost surely, 253124143 is an apocalyptic number.
53124143 is a deficient number, since it is larger than the sum of its proper divisors (1831897).
53124143 is a wasteful number, since it uses less digits than its factorization.
53124143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1831896.
The product of its digits is 1440, while the sum is 23.
The square root of 53124143 is about 7288.6310786045. The cubic root of 53124143 is about 375.9216276031.
Adding to 53124143 its reverse (34142135), we get a palindrome (87266278).
The spelling of 53124143 in words is "fifty-three million, one hundred twenty-four thousand, one hundred forty-three".
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