Base | Representation |
---|---|
bin | 1100011010101… |
… | …0011000111111 |
3 | 10121222211210010 |
4 | 3012222120333 |
5 | 101313000033 |
6 | 5100114303 |
7 | 1201441215 |
oct | 306523077 |
9 | 117884703 |
10 | 52078143 |
11 | 27440097 |
12 | 15535993 |
13 | aa35290 |
14 | 6cb8cb5 |
15 | 488a863 |
hex | 31aa63f |
52078143 has 16 divisors (see below), whose sum is σ = 75729920. Its totient is φ = 31640544.
The previous prime is 52078111. The next prime is 52078181. The reversal of 52078143 is 34187025.
It is not a de Polignac number, because 52078143 - 25 = 52078111 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 52078143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52073143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5371 + ... + 11532.
It is an arithmetic number, because the mean of its divisors is an integer number (4733120).
Almost surely, 252078143 is an apocalyptic number.
52078143 is a deficient number, since it is larger than the sum of its proper divisors (23651777).
52078143 is a wasteful number, since it uses less digits than its factorization.
52078143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16998.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 52078143 is about 7216.5187590694. The cubic root of 52078143 is about 373.4379898093.
The spelling of 52078143 in words is "fifty-two million, seventy-eight thousand, one hundred forty-three".
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