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2543144 = 231392287
BaseRepresentation
bin1001101100111000101000
311210012112112
421230320220
51122340034
6130301452
730421262
oct11547050
94705475
102543144
11148777a
12a27888
136b0726
144a2b32
153537ce
hex26ce28

2543144 has 16 divisors (see below), whose sum is σ = 4804800. Its totient is φ = 1261872.

The previous prime is 2543143. The next prime is 2543153. The reversal of 2543144 is 4413452.

2543144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2543141) 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, 32 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (300300).

22543144 is an apocalyptic number.

It is an amenable number.

2543144 is a deficient number, since it is larger than the sum of its proper divisors (2261656).

2543144 is a wasteful number, since it uses less digits than its factorization.

2543144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2428 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 2543144 is about 1594.7238005373. The cubic root of 2543144 is about 136.4971710649.

Adding to 2543144 its reverse (4413452), we get a palindrome (6956596).

The spelling of 2543144 in words is "two million, five hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 139 278 556 1112 2287 4574 9148 18296 317893 635786 1271572 2543144