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43207142 = 2112238807
BaseRepresentation
bin1010010011010…
…0100111100110
310000022011001112
42210310213212
542030112032
64142025022
71033153226
oct244644746
9100264045
1043207142
1122431190
1212578172
138c4a574
145a4a086
153bd71b2
hex29349e6

43207142 has 16 divisors (see below), whose sum is σ = 71027712. Its totient is φ = 19549320.

The previous prime is 43207141. The next prime is 43207181. The reversal of 43207142 is 24170234.

43207142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43207141) 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 7 ways as a sum of consecutive naturals, for example, 503 + ... + 9309.

It is an arithmetic number, because the mean of its divisors is an integer number (4439232).

Almost surely, 243207142 is an apocalyptic number.

43207142 is a deficient number, since it is larger than the sum of its proper divisors (27820570).

43207142 is a wasteful number, since it uses less digits than its factorization.

43207142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9043.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 43207142 is about 6573.2139779563. The cubic root of 43207142 is about 350.9014639411.

Adding to 43207142 its reverse (24170234), we get a palindrome (67377376).

The spelling of 43207142 in words is "forty-three million, two hundred seven thousand, one hundred forty-two".

Divisors: 1 2 11 22 223 446 2453 4906 8807 17614 96877 193754 1963961 3927922 21603571 43207142