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42424550 = 2527472579
BaseRepresentation
bin1010000111010…
…1100011100110
32221211101112122
42201311203212
541330041200
64113145542
71023413510
oct241654346
987741478
1042424550
1121a47213
121225b2b2
138a352ac
1458c4bb0
153ad0385
hex28758e6

42424550 has 48 divisors (see below), whose sum is σ = 92136960. Its totient is φ = 14230560.

The previous prime is 42424519. The next prime is 42424561. The reversal of 42424550 is 5542424.

42424550 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 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 23 ways as a sum of consecutive naturals, for example, 15161 + ... + 17739.

It is an arithmetic number, because the mean of its divisors is an integer number (1919520).

Almost surely, 242424550 is an apocalyptic number.

42424550 is an abundant number, since it is smaller than the sum of its proper divisors (49712410).

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

42424550 is a wasteful number, since it uses less digits than its factorization.

42424550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 42424550 is about 6513.4130837833. The cubic root of 42424550 is about 348.7699679818.

Adding to 42424550 its reverse (5542424), we get a palindrome (47966974).

The spelling of 42424550 in words is "forty-two million, four hundred twenty-four thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 47 50 70 94 175 235 329 350 470 658 1175 1645 2350 2579 3290 5158 8225 12895 16450 18053 25790 36106 64475 90265 121213 128950 180530 242426 451325 606065 848491 902650 1212130 1696982 3030325 4242455 6060650 8484910 21212275 42424550