Search a number
-
+
42643300 = 2252760919
BaseRepresentation
bin1010001010101…
…0111101100100
32222020111121111
42202222331210
541404041200
64121554404
71025314330
oct242527544
988214544
1042643300
11220865a7
1212345a04
138ab0a2b
1459407c0
153b250ba
hex28aaf64

42643300 has 36 divisors (see below), whose sum is σ = 105757120. Its totient is φ = 14620320.

The previous prime is 42643291. The next prime is 42643301. The reversal of 42643300 is 334624.

42643300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42643301) 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 11 ways as a sum of consecutive naturals, for example, 29760 + ... + 31159.

Almost surely, 242643300 is an apocalyptic number.

It is an amenable number.

42643300 is an abundant number, since it is smaller than the sum of its proper divisors (63113820).

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

42643300 is a wasteful number, since it uses less digits than its factorization.

42643300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60940 (or 60933 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 42643300 is about 6530.1837646425. The cubic root of 42643300 is about 349.3683846725.

Adding to 42643300 its reverse (334624), we get a palindrome (42977924).

The spelling of 42643300 in words is "forty-two million, six hundred forty-three thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 60919 121838 243676 304595 426433 609190 852866 1218380 1522975 1705732 2132165 3045950 4264330 6091900 8528660 10660825 21321650 42643300