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42650171 = 251367463
BaseRepresentation
bin1010001010110…
…0101000111011
32222020212000222
42202230220323
541404301141
64122050255
71025343344
oct242545073
988225028
1042650171
1122090783
121234998b
138ab3bb5
1459430cb
153b2714b
hex28aca3b

42650171 has 8 divisors (see below), whose sum is σ = 43029504. Its totient is φ = 42273000.

The previous prime is 42650147. The next prime is 42650173. The reversal of 42650171 is 17105624.

42650171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42650171 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 42650171.

It is not an unprimeable number, because it can be changed into a prime (42650173) 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 7 ways as a sum of consecutive naturals, for example, 91886 + ... + 92348.

It is an arithmetic number, because the mean of its divisors is an integer number (5378688).

Almost surely, 242650171 is an apocalyptic number.

42650171 is a deficient number, since it is larger than the sum of its proper divisors (379333).

42650171 is a wasteful number, since it uses less digits than its factorization.

42650171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42650171 is about 6530.7098389073. The cubic root of 42650171 is about 349.3871479269.

Adding to 42650171 its reverse (17105624), we get a palindrome (59755795).

The spelling of 42650171 in words is "forty-two million, six hundred fifty thousand, one hundred seventy-one".

Divisors: 1 251 367 463 92117 116213 169921 42650171