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42944271 = 359331733
BaseRepresentation
bin1010001111010…
…0011100001111
32222210210110120
42203310130033
541443204041
64132240023
71031006646
oct243643417
988723416
1042944271
1122271737
1212470013
138b87a16
1459bc35d
153b84366
hex28f470f

42944271 has 16 divisors (see below), whose sum is σ = 58485120. Its totient is φ = 28020960.

The previous prime is 42944267. The next prime is 42944287. The reversal of 42944271 is 17244924.

It is not a de Polignac number, because 42944271 - 22 = 42944267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42944201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58221 + ... + 58953.

It is an arithmetic number, because the mean of its divisors is an integer number (3655320).

Almost surely, 242944271 is an apocalyptic number.

42944271 is a deficient number, since it is larger than the sum of its proper divisors (15540849).

42944271 is a wasteful number, since it uses less digits than its factorization.

42944271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its digits is 16128, while the sum is 33.

The square root of 42944271 is about 6553.1878501993. The cubic root of 42944271 is about 350.1883910954.

The spelling of 42944271 in words is "forty-two million, nine hundred forty-four thousand, two hundred seventy-one".

Divisors: 1 3 59 177 331 733 993 2199 19529 43247 58587 129741 242623 727869 14314757 42944271