Search a number
-
+
42236841 = 3123111437
BaseRepresentation
bin1010000100011…
…1101110101001
32221110212001110
42201013232221
541303034331
64105140533
71022002323
oct241075651
987425043
1042236841
1121929189
121218a749
13899aa1a
145876613
153a94946
hex2847ba9

42236841 has 8 divisors (see below), whose sum is σ = 56366464. Its totient is φ = 28132560.

The previous prime is 42236839. The next prime is 42236863. The reversal of 42236841 is 14863224.

42236841 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 not a de Polignac number, because 42236841 - 21 = 42236839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42236799 and 42236808.

It is not an unprimeable number, because it can be changed into a prime (42238841) 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, 2026 + ... + 9411.

It is an arithmetic number, because the mean of its divisors is an integer number (7045808).

Almost surely, 242236841 is an apocalyptic number.

It is an amenable number.

42236841 is a deficient number, since it is larger than the sum of its proper divisors (14129623).

42236841 is a wasteful number, since it uses less digits than its factorization.

42236841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671.

The product of its digits is 9216, while the sum is 30.

The square root of 42236841 is about 6498.9876904023. The cubic root of 42236841 is about 348.2548255774.

The spelling of 42236841 in words is "forty-two million, two hundred thirty-six thousand, eight hundred forty-one".

Divisors: 1 3 1231 3693 11437 34311 14078947 42236841