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42889833 = 3273121961
BaseRepresentation
bin1010001110011…
…1001001101001
32222201000210100
42203213021221
541434433313
64131140013
71030362150
oct243471151
988630710
1042889833
1122234848
1212444609
138b68ccc
1459a6597
153b73173
hex28e7269

42889833 has 24 divisors (see below), whose sum is σ = 73089536. Its totient is φ = 23716800.

The previous prime is 42889823. The next prime is 42889837. The reversal of 42889833 is 33898824.

42889833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42889833 - 25 = 42889801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42889837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9028 + ... + 12933.

Almost surely, 242889833 is an apocalyptic number.

It is an amenable number.

42889833 is a deficient number, since it is larger than the sum of its proper divisors (30199703).

42889833 is a wasteful number, since it uses less digits than its factorization.

42889833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22005 (or 22002 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 42889833 is about 6549.0329820516. The cubic root of 42889833 is about 350.0403572511.

The spelling of 42889833 in words is "forty-two million, eight hundred eighty-nine thousand, eight hundred thirty-three".

Divisors: 1 3 7 9 21 31 63 93 217 279 651 1953 21961 65883 153727 197649 461181 680791 1383543 2042373 4765537 6127119 14296611 42889833