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42550653 = 322516301
BaseRepresentation
bin1010001001010…
…0010101111101
32222001210112010
42202110111331
541343110103
64120001433
71024450245
oct242242575
988053463
1042550653
1122022a32
1212300279
138a7a802
145918b25
153b07903
hex289457d

42550653 has 8 divisors (see below), whose sum is σ = 56768416. Its totient is φ = 28350000.

The previous prime is 42550649. The next prime is 42550687. The reversal of 42550653 is 35605524.

42550653 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 42550653 - 22 = 42550649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42550653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42550603) 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, 3603 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (7096052).

Almost surely, 242550653 is an apocalyptic number.

It is an amenable number.

42550653 is a deficient number, since it is larger than the sum of its proper divisors (14217763).

42550653 is a wasteful number, since it uses less digits than its factorization.

42550653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 42550653 is about 6523.0861561074. The cubic root of 42550653 is about 349.1151881800.

The spelling of 42550653 in words is "forty-two million, five hundred fifty thousand, six hundred fifty-three".

Divisors: 1 3 2251 6301 6753 18903 14183551 42550653