Base | Representation |
---|---|
bin | 1000101010001110111111 |
3 | 11021100001101 |
4 | 20222032333 |
5 | 1040121033 |
6 | 120353531 |
7 | 25203331 |
oct | 10521677 |
9 | 4240041 |
10 | 2270143 |
11 | 1310657 |
12 | 9158a7 |
13 | 6163a5 |
14 | 431451 |
15 | 2ec97d |
hex | 22a3bf |
2270143 has 8 divisors (see below), whose sum is σ = 2336400. Its totient is φ = 2204928.
The previous prime is 2270141. The next prime is 2270153. The reversal of 2270143 is 3410722.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2270143 - 21 = 2270141 is a prime.
2270143 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2270143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2270141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6255 + ... + 6607.
It is an arithmetic number, because the mean of its divisors is an integer number (292050).
22270143 is an apocalyptic number.
2270143 is a deficient number, since it is larger than the sum of its proper divisors (66257).
2270143 is a wasteful number, since it uses less digits than its factorization.
2270143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 2270143 is about 1506.6993728014. The cubic root of 2270143 is about 131.4269426052.
Adding to 2270143 its reverse (3410722), we get a palindrome (5680865).
The spelling of 2270143 in words is "two million, two hundred seventy thousand, one hundred forty-three".
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