Base | Representation |
---|---|
bin | 1101011110000… |
… | …1111110101111 |
3 | 10221022111121220 |
4 | 3113201332233 |
5 | 103431001033 |
6 | 5334554423 |
7 | 1254146310 |
oct | 327417657 |
9 | 127274556 |
10 | 56500143 |
11 | 29990437 |
12 | 16b08a13 |
13 | b922c4b |
14 | 770a607 |
15 | 4e60bb3 |
hex | 35e1faf |
56500143 has 16 divisors (see below), whose sum is σ = 86204160. Its totient is φ = 32245056.
The previous prime is 56500139. The next prime is 56500153. The reversal of 56500143 is 34100565.
It is not a de Polignac number, because 56500143 - 22 = 56500139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56500133) 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, 25371 + ... + 27507.
It is an arithmetic number, because the mean of its divisors is an integer number (5387760).
Almost surely, 256500143 is an apocalyptic number.
56500143 is a deficient number, since it is larger than the sum of its proper divisors (29704017).
56500143 is a wasteful number, since it uses less digits than its factorization.
56500143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3406.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 56500143 is about 7516.6577013989. The cubic root of 56500143 is about 383.7218376699.
The spelling of 56500143 in words is "fifty-six million, five hundred thousand, one hundred forty-three".
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