Base | Representation |
---|---|
bin | 1010110001101110110111 |
3 | 12022112100221 |
4 | 22301232313 |
5 | 1210401033 |
6 | 140315211 |
7 | 33004366 |
oct | 12615667 |
9 | 5275327 |
10 | 2825143 |
11 | 165a632 |
12 | b42b07 |
13 | 77bba9 |
14 | 5377dd |
15 | 3ac12d |
hex | 2b1bb7 |
2825143 has 4 divisors (see below), whose sum is σ = 2890888. Its totient is φ = 2759400.
The previous prime is 2825131. The next prime is 2825149. The reversal of 2825143 is 3415282.
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 2825143 - 29 = 2824631 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 (2825149) 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, 32808 + ... + 32893.
It is an arithmetic number, because the mean of its divisors is an integer number (722722).
22825143 is an apocalyptic number.
2825143 is a deficient number, since it is larger than the sum of its proper divisors (65745).
2825143 is an equidigital number, since it uses as much as digits as its factorization.
2825143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65744.
The product of its digits is 1920, while the sum is 25.
The square root of 2825143 is about 1680.8161707932. The cubic root of 2825143 is about 141.3665996265.
The spelling of 2825143 in words is "two million, eight hundred twenty-five thousand, one hundred forty-three".
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