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44244143 = 61517193
BaseRepresentation
bin1010100011000…
…1110010101111
310002020211112222
42220301302233
542311303033
64220145555
71045032446
oct250616257
9102224488
1044244143
1122a7a309
12129982bb
139221588
145c39d5d
153d3e598
hex2a31caf

44244143 has 4 divisors (see below), whose sum is σ = 44257488. Its totient is φ = 44230800.

The previous prime is 44244131. The next prime is 44244163. The reversal of 44244143 is 34144244.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 44244143 - 28 = 44243887 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 (44244113) 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, 2555 + ... + 9747.

It is an arithmetic number, because the mean of its divisors is an integer number (11064372).

Almost surely, 244244143 is an apocalyptic number.

44244143 is a deficient number, since it is larger than the sum of its proper divisors (13345).

44244143 is an equidigital number, since it uses as much as digits as its factorization.

44244143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344.

The product of its digits is 6144, while the sum is 26.

The square root of 44244143 is about 6651.6270941778. The cubic root of 44244143 is about 353.6865915392.

Adding to 44244143 its reverse (34144244), we get a palindrome (78388387).

The spelling of 44244143 in words is "forty-four million, two hundred forty-four thousand, one hundred forty-three".

Divisors: 1 6151 7193 44244143