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42160889 = 671075881
BaseRepresentation
bin1010000011010…
…1001011111001
32221022222212102
42200311023321
541243122024
64103353145
71021235021
oct240651371
987288772
1042160889
1121887111
12121527b5
138972294
145856a81
153a7c1ae
hex28352f9

42160889 has 8 divisors (see below), whose sum is σ = 43197408. Its totient is φ = 41136480.

The previous prime is 42160841. The next prime is 42160903. The reversal of 42160889 is 98806124.

42160889 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-42160889 is a prime.

It is a super-2 number, since 2×421608892 = 3555081122540642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42160819) 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, 4229 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (5399676).

Almost surely, 242160889 is an apocalyptic number.

It is an amenable number.

42160889 is a deficient number, since it is larger than the sum of its proper divisors (1036519).

42160889 is a wasteful number, since it uses less digits than its factorization.

42160889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 42160889 is about 6493.1416895059. The cubic root of 42160889 is about 348.0459516763.

The spelling of 42160889 in words is "forty-two million, one hundred sixty thousand, eight hundred eighty-nine".

Divisors: 1 67 107 5881 7169 394027 629267 42160889