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42944283 = 338319163
BaseRepresentation
bin1010001111010…
…0011100011011
32222210210111000
42203310130123
541443204113
64132240043
71031006664
oct243643433
988723430
1042944283
1122271748
1212470023
138b87a25
1459bc36b
153b84373
hex28f471b

42944283 has 16 divisors (see below), whose sum is σ = 64391040. Its totient is φ = 28283112.

The previous prime is 42944267. The next prime is 42944287. The reversal of 42944283 is 38244924.

It is not a de Polignac number, because 42944283 - 24 = 42944267 is a prime.

It is a super-2 number, since 2×429442832 = 3688422884768178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42944287) 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, 7341 + ... + 11822.

It is an arithmetic number, because the mean of its divisors is an integer number (4024440).

Almost surely, 242944283 is an apocalyptic number.

42944283 is a deficient number, since it is larger than the sum of its proper divisors (21446757).

42944283 is a wasteful number, since it uses less digits than its factorization.

42944283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19255 (or 19249 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 42944283 is about 6553.1887657842. The cubic root of 42944283 is about 350.1884237133.

The spelling of 42944283 in words is "forty-two million, nine hundred forty-four thousand, two hundred eighty-three".

Divisors: 1 3 9 27 83 249 747 2241 19163 57489 172467 517401 1590529 4771587 14314761 42944283