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42111141 = 3411731979
BaseRepresentation
bin1010000010100…
…1000010100101
32221020110121220
42200221002211
541240024031
64102330553
71020640002
oct240510245
987213556
1042111141
11218527a6
1212129a59
138955747
1458428a9
153a6c596
hex28290a5

42111141 has 16 divisors (see below), whose sum is σ = 57879360. Its totient is φ = 27217280.

The previous prime is 42111131. The next prime is 42111211. The reversal of 42111141 is 14111124.

It is a cyclic number.

It is not a de Polignac number, because 42111141 - 26 = 42111077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42111141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20290 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (3617460).

Almost surely, 242111141 is an apocalyptic number.

42111141 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42111141 is a deficient number, since it is larger than the sum of its proper divisors (15768219).

42111141 is a wasteful number, since it uses less digits than its factorization.

42111141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its digits is 32, while the sum is 15.

The square root of 42111141 is about 6489.3097475772. The cubic root of 42111141 is about 347.9090048121.

Adding to 42111141 its reverse (14111124), we get a palindrome (56222265).

The spelling of 42111141 in words is "forty-two million, one hundred eleven thousand, one hundred forty-one".

Divisors: 1 3 41 123 173 519 1979 5937 7093 21279 81139 243417 342367 1027101 14037047 42111141