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43042041 = 327373191
BaseRepresentation
bin1010010000110…
…0010011111001
32222222202120200
42210030103321
542004321131
64134312413
71031565000
oct244142371
988882520
1043042041
1122329139
12124b8709
138bc0383
145a05c37
153ba32e6
hex290c4f9

43042041 has 48 divisors (see below), whose sum is σ = 73881600. Its totient is φ = 24131520.

The previous prime is 43042033. The next prime is 43042067. The reversal of 43042041 is 14024034.

It is not a de Polignac number, because 43042041 - 23 = 43042033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43042001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225256 + ... + 225446.

It is an arithmetic number, because the mean of its divisors is an integer number (1539200).

Almost surely, 243042041 is an apocalyptic number.

It is an amenable number.

43042041 is a deficient number, since it is larger than the sum of its proper divisors (30839559).

43042041 is a wasteful number, since it uses less digits than its factorization.

43042041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 43042041 is about 6560.6433373565. The cubic root of 43042041 is about 350.4539443204.

Adding to 43042041 its reverse (14024034), we get a palindrome (57066075).

The spelling of 43042041 in words is "forty-three million, forty-two thousand, forty-one".

Divisors: 1 3 7 9 21 49 63 73 147 191 219 343 441 511 573 657 1029 1337 1533 1719 3087 3577 4011 4599 9359 10731 12033 13943 25039 28077 32193 41829 65513 75117 84231 97601 125487 196539 225351 292803 589617 683207 878409 2049621 4782449 6148863 14347347 43042041