Search a number
-
+
42052030 = 2529145007
BaseRepresentation
bin1010000001101…
…0100110111110
32221010110112121
42200122212332
541231131110
64101153154
71020302446
oct240324676
987113477
1042052030
1121812349
12120bb7ba
138934877
145829126
153a59cda
hex281a9be

42052030 has 16 divisors (see below), whose sum is σ = 78304320. Its totient is φ = 16240672.

The previous prime is 42052007. The next prime is 42052039. The reversal of 42052030 is 3025024.

42052030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42051995 and 42052013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052039) 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, 72214 + ... + 72793.

It is an arithmetic number, because the mean of its divisors is an integer number (4894020).

Almost surely, 242052030 is an apocalyptic number.

42052030 is a deficient number, since it is larger than the sum of its proper divisors (36252290).

42052030 is a wasteful number, since it uses less digits than its factorization.

42052030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145043.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 42052030 is about 6484.7536576188. The cubic root of 42052030 is about 347.7461430878.

Adding to 42052030 its reverse (3025024), we get a palindrome (45077054).

The spelling of 42052030 in words is "forty-two million, fifty-two thousand, thirty", and thus it is an eban number.

Divisors: 1 2 5 10 29 58 145 290 145007 290014 725035 1450070 4205203 8410406 21026015 42052030