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42040141 = 11131915473
BaseRepresentation
bin1010000001011…
…1101101001101
32221002212020021
42200113231031
541230241031
64101022141
71020223003
oct240275515
987085207
1042040141
1121804420
12120b4951
13892c330
145824a73
153a56511
hex2817b4d

42040141 has 16 divisors (see below), whose sum is σ = 51992640. Its totient is φ = 33419520.

The previous prime is 42040121. The next prime is 42040151. The reversal of 42040141 is 14104024.

42040141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42040141 - 25 = 42040109 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 (42040121) 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, 5020 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (3249540).

Almost surely, 242040141 is an apocalyptic number.

It is an amenable number.

42040141 is a deficient number, since it is larger than the sum of its proper divisors (9952499).

42040141 is a wasteful number, since it uses less digits than its factorization.

42040141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42040141 is about 6483.8369041795. The cubic root of 42040141 is about 347.7133682643.

Adding to 42040141 its reverse (14104024), we get a palindrome (56144165).

The spelling of 42040141 in words is "forty-two million, forty thousand, one hundred forty-one".

Divisors: 1 11 13 19 143 209 247 2717 15473 170203 201149 293987 2212639 3233857 3821831 42040141