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42134041 = 172478473
BaseRepresentation
bin1010000010111…
…0101000011001
32221021122001001
42200232220121
541241242131
64103025001
71021063525
oct240565031
987248031
1042134041
1121868a24
121213b161
138962cb1
14584ad85
153a74261
hex282ea19

42134041 has 4 divisors (see below), whose sum is σ = 44612532. Its totient is φ = 39655552.

The previous prime is 42134021. The next prime is 42134047. The reversal of 42134041 is 14043124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34762816 + 7371225 = 5896^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 42134041 - 27 = 42133913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42134047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239220 + ... + 1239253.

It is an arithmetic number, because the mean of its divisors is an integer number (11153133).

Almost surely, 242134041 is an apocalyptic number.

It is an amenable number.

42134041 is a deficient number, since it is larger than the sum of its proper divisors (2478491).

42134041 is a wasteful number, since it uses less digits than its factorization.

42134041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478490.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42134041 is about 6491.0739481229. The cubic root of 42134041 is about 347.9720575838.

Adding to 42134041 its reverse (14043124), we get a palindrome (56177165).

The spelling of 42134041 in words is "forty-two million, one hundred thirty-four thousand, forty-one".

Divisors: 1 17 2478473 42134041