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42027641 = 294333703
BaseRepresentation
bin1010000001010…
…0101001111001
32221002020002022
42200110221321
541224341031
64100444225
71020141365
oct240245171
987066068
1042027641
11217a5a97
12120a9675
138926736
1458202a5
153a5297b
hex2814a79

42027641 has 8 divisors (see below), whose sum is σ = 44489280. Its totient is φ = 39633552.

The previous prime is 42027617. The next prime is 42027653. The reversal of 42027641 is 14672024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42027641 - 26 = 42027577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42027641.

It is not an unprimeable number, because it can be changed into a prime (42021641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15605 + ... + 18098.

It is an arithmetic number, because the mean of its divisors is an integer number (5561160).

Almost surely, 242027641 is an apocalyptic number.

It is an amenable number.

42027641 is a deficient number, since it is larger than the sum of its proper divisors (2461639).

42027641 is a wasteful number, since it uses less digits than its factorization.

42027641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33775.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42027641 is about 6482.8728971036. The cubic root of 42027641 is about 347.6789024114.

Adding to 42027641 its reverse (14672024), we get a palindrome (56699665).

The spelling of 42027641 in words is "forty-two million, twenty-seven thousand, six hundred forty-one".

Divisors: 1 29 43 1247 33703 977387 1449229 42027641