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43042223 = 723833221
BaseRepresentation
bin1010010000110…
…0010110101111
32222222202211102
42210030112233
542004322343
64134313315
71031565350
oct244142657
988882742
1043042223
1122329294
12124b883b
138bc0493
145a05d27
153ba33b8
hex290c5af

43042223 has 16 divisors (see below), whose sum is σ = 51964416. Its totient is φ = 34853280.

The previous prime is 43042193. The next prime is 43042267. The reversal of 43042223 is 32224034.

43042223 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 43042223 - 26 = 43042159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43042195 and 43042204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042273) 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 15 ways as a sum of consecutive naturals, for example, 11753 + ... + 14973.

It is an arithmetic number, because the mean of its divisors is an integer number (3247776).

Almost surely, 243042223 is an apocalyptic number.

43042223 is a deficient number, since it is larger than the sum of its proper divisors (8922193).

43042223 is a wasteful number, since it uses less digits than its factorization.

43042223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 43042223 is about 6560.6572079328. The cubic root of 43042223 is about 350.4544382756.

Adding to 43042223 its reverse (32224034), we get a palindrome (75266257).

The spelling of 43042223 in words is "forty-three million, forty-two thousand, two hundred twenty-three".

Divisors: 1 7 23 83 161 581 1909 3221 13363 22547 74083 267343 518581 1871401 6148889 43042223