Base | Representation |
---|---|
bin | 1101010110110… |
… | …1100001100111 |
3 | 10220102021022020 |
4 | 3111231201213 |
5 | 103320220033 |
6 | 5320434223 |
7 | 1250121531 |
oct | 325554147 |
9 | 126367266 |
10 | 56023143 |
11 | 29695020 |
12 | 16918973 |
13 | b7b6ab7 |
14 | 7624851 |
15 | 4db96b3 |
hex | 356d867 |
56023143 has 32 divisors (see below), whose sum is σ = 88646400. Its totient is φ = 31080960.
The previous prime is 56023139. The next prime is 56023151. The reversal of 56023143 is 34132065.
It is a happy number.
It is not a de Polignac number, because 56023143 - 22 = 56023139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56023133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19408 + ... + 22106.
It is an arithmetic number, because the mean of its divisors is an integer number (2770200).
Almost surely, 256023143 is an apocalyptic number.
56023143 is a deficient number, since it is larger than the sum of its proper divisors (32623257).
56023143 is a wasteful number, since it uses less digits than its factorization.
56023143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2767.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 56023143 is about 7484.8609205516. The cubic root of 56023143 is about 382.6389328273.
The spelling of 56023143 in words is "fifty-six million, twenty-three thousand, one hundred forty-three".
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