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4244143 = 43891109
BaseRepresentation
bin10000001100001010101111
321222121212111
4100030022233
52041303033
6230544451
751034411
oct20141257
97877774
104244143
112439762
121508127
13b57a37
147c69b1
1558c7cd
hex40c2af

4244143 has 8 divisors (see below), whose sum is σ = 4395600. Its totient is φ = 4095168.

The previous prime is 4244137. The next prime is 4244153. The reversal of 4244143 is 3414424.

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 4244143 - 213 = 4235951 is a prime.

It is a Duffinian number.

4244143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273 + ... + 4381.

It is an arithmetic number, because the mean of its divisors is an integer number (549450).

Almost surely, 24244143 is an apocalyptic number.

4244143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4244143 is a deficient number, since it is larger than the sum of its proper divisors (151457).

4244143 is a wasteful number, since it uses less digits than its factorization.

4244143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its digits is 1536, while the sum is 22.

The square root of 4244143 is about 2060.1317919007. The cubic root of 4244143 is about 161.9061464195.

Adding to 4244143 its reverse (3414424), we get a palindrome (7658567).

The spelling of 4244143 in words is "four million, two hundred forty-four thousand, one hundred forty-three".

Divisors: 1 43 89 1109 3827 47687 98701 4244143