Search a number
-
+
42160044 = 2239193823
BaseRepresentation
bin1010000011010…
…0111110101100
32221022221201010
42200310332230
541243110134
64103345220
71021232403
oct240647654
987287633
1042160044
1121886513
1212152210
138971a94
14585663a
153a7bce9
hex2834fac

42160044 has 24 divisors (see below), whose sum is σ = 98506240. Its totient is φ = 14034384.

The previous prime is 42160007. The next prime is 42160067. The reversal of 42160044 is 44006124.

42160044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42160044.

It is an unprimeable number.

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, 9117 + ... + 12939.

Almost surely, 242160044 is an apocalyptic number.

It is an amenable number.

42160044 is an abundant number, since it is smaller than the sum of its proper divisors (56346196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42160044 is a wasteful number, since it uses less digits than its factorization.

42160044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42160044 is about 6493.0766205244. The cubic root of 42160044 is about 348.0436264503.

Adding to 42160044 its reverse (44006124), we get a palindrome (86166168).

The spelling of 42160044 in words is "forty-two million, one hundred sixty thousand, forty-four".

Divisors: 1 2 3 4 6 12 919 1838 2757 3676 3823 5514 7646 11028 11469 15292 22938 45876 3513337 7026674 10540011 14053348 21080022 42160044