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42412143 = 314137381
BaseRepresentation
bin1010000111001…
…0100001101111
32221210202112010
42201302201233
541324142033
64113012303
71023332364
oct241624157
987722463
1042412143
1121a38964
1212254093
138a2c757
1458c046b
153acb863
hex287286f

42412143 has 4 divisors (see below), whose sum is σ = 56549528. Its totient is φ = 28274760.

The previous prime is 42412133. The next prime is 42412151. The reversal of 42412143 is 34121424.

42412143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42412143 - 213 = 42403951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412103) 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 3 ways as a sum of consecutive naturals, for example, 7068688 + ... + 7068693.

It is an arithmetic number, because the mean of its divisors is an integer number (14137382).

Almost surely, 242412143 is an apocalyptic number.

42412143 is a deficient number, since it is larger than the sum of its proper divisors (14137385).

42412143 is a wasteful number, since it uses less digits than its factorization.

42412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137384.

The product of its digits is 768, while the sum is 21.

The square root of 42412143 is about 6512.4605948904. The cubic root of 42412143 is about 348.7359655713.

Adding to 42412143 its reverse (34121424), we get a palindrome (76533567).

The spelling of 42412143 in words is "forty-two million, four hundred twelve thousand, one hundred forty-three".

Divisors: 1 3 14137381 42412143