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120342043 = 477932411
BaseRepresentation
bin1110010110001…
…00011000011011
322101110000020201
413023010120123
5221301421133
615535203031
72660614303
oct713043033
9271400221
10120342043
1161a25838
1234376477
131bc16813
1411da8603
15a871d7d
hex72c461b

120342043 has 8 divisors (see below), whose sum is σ = 124462080. Its totient is φ = 116287080.

The previous prime is 120342041. The next prime is 120342059. The reversal of 120342043 is 340243021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120342043 - 21 = 120342041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120342043.

It is not an unprimeable number, because it can be changed into a prime (120342041) 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, 12493 + ... + 19918.

It is an arithmetic number, because the mean of its divisors is an integer number (15557760).

Almost surely, 2120342043 is an apocalyptic number.

120342043 is a deficient number, since it is larger than the sum of its proper divisors (4120037).

120342043 is an equidigital number, since it uses as much as digits as its factorization.

120342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32537.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 120342043 is about 10970.0520965035. The cubic root of 120342043 is about 493.7106095158.

Adding to 120342043 its reverse (340243021), we get a palindrome (460585064).

The spelling of 120342043 in words is "one hundred twenty million, three hundred forty-two thousand, forty-three".

Divisors: 1 47 79 3713 32411 1523317 2560469 120342043