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40041141 = 3729371777
BaseRepresentation
bin1001100010111…
…1101010110101
32210100022010020
42120233222311
540222304031
63550115353
7664226010
oct230575265
983308106
1040041141
1120669558
12114abb59
1383ac4aa
145464377
1537ae096
hex262fab5

40041141 has 32 divisors (see below), whose sum is σ = 64861440. Its totient is φ = 21482496.

The previous prime is 40041121. The next prime is 40041163. The reversal of 40041141 is 14114004.

It is not a de Polignac number, because 40041141 - 29 = 40040629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40041141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21645 + ... + 23421.

It is an arithmetic number, because the mean of its divisors is an integer number (2026920).

Almost surely, 240041141 is an apocalyptic number.

It is an amenable number.

40041141 is a deficient number, since it is larger than the sum of its proper divisors (24820299).

40041141 is a wasteful number, since it uses less digits than its factorization.

40041141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40041141 is about 6327.8069660823. The cubic root of 40041141 is about 342.1123993607.

Adding to 40041141 its reverse (14114004), we get a palindrome (54155145).

The spelling of 40041141 in words is "forty million, forty-one thousand, one hundred forty-one".

Divisors: 1 3 7 21 29 37 87 111 203 259 609 777 1073 1777 3219 5331 7511 12439 22533 37317 51533 65749 154599 197247 360731 460243 1082193 1380729 1906721 5720163 13347047 40041141