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42030043 = 114122273
BaseRepresentation
bin1010000001010…
…1001111011011
32221002100101021
42200111033123
541224430133
64100503311
71020151366
oct240251733
987070337
1042030043
11217a7880
12120aab37
138927863
1458210dd
153a5352d
hex28153db

42030043 has 12 divisors (see below), whose sum is σ = 47017224. Its totient is φ = 37260800.

The previous prime is 42030031. The next prime is 42030047. The reversal of 42030043 is 34003024.

42030043 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 42030043 - 221 = 39932891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42029999 and 42030026.

It is not an unprimeable number, because it can be changed into a prime (42030047) 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 11 ways as a sum of consecutive naturals, for example, 17355 + ... + 19627.

It is an arithmetic number, because the mean of its divisors is an integer number (3918102).

Almost surely, 242030043 is an apocalyptic number.

42030043 is a deficient number, since it is larger than the sum of its proper divisors (4987181).

42030043 is a wasteful number, since it uses less digits than its factorization.

42030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 42030043 is about 6483.0581518293. The cubic root of 42030043 is about 347.6855259001.

Adding to 42030043 its reverse (34003024), we get a palindrome (76033067).

The spelling of 42030043 in words is "forty-two million, thirty thousand, forty-three".

Divisors: 1 11 41 451 1681 2273 18491 25003 93193 1025123 3820913 42030043