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4443142 = 211201961
BaseRepresentation
bin10000111100110000000110
322100201211211
4100330300012
52114140032
6235122034
752523524
oct20746006
98321754
104443142
112565220
1215a331a
13bc74a2
14839314
155cb747
hex43cc06

4443142 has 8 divisors (see below), whose sum is σ = 7270632. Its totient is φ = 2019600.

The previous prime is 4443139. The next prime is 4443143. The reversal of 4443142 is 2413444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 201961 = 4443142 / (4 + 4 + 4 + 3 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443143) 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, 100959 + ... + 101002.

It is an arithmetic number, because the mean of its divisors is an integer number (908829).

Almost surely, 24443142 is an apocalyptic number.

4443142 is a deficient number, since it is larger than the sum of its proper divisors (2827490).

4443142 is a wasteful number, since it uses less digits than its factorization.

4443142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201974.

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

The square root of 4443142 is about 2107.8761823219. The cubic root of 4443142 is about 164.3980761985.

Adding to 4443142 its reverse (2413444), we get a palindrome (6856586).

The spelling of 4443142 in words is "four million, four hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 11 22 201961 403922 2221571 4443142