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8427265 = 572115359
BaseRepresentation
bin100000001001…
…011100000001
3120212011000221
4200021130001
54124133030
6500343041
7131426200
oct40113401
916764027
108427265
114836590
1229a4a81
131990a62
141195237
15b16e7a
hex809701

8427265 has 48 divisors (see below), whose sum is σ = 13296960. Its totient is φ = 5066880.

The previous prime is 8427247. The next prime is 8427271. The reversal of 8427265 is 5627248.

8427265 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8427265 - 25 = 8427233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8427265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142806 + ... + 142864.

It is an arithmetic number, because the mean of its divisors is an integer number (277020).

Almost surely, 28427265 is an apocalyptic number.

It is an amenable number.

8427265 is a deficient number, since it is larger than the sum of its proper divisors (4869695).

8427265 is a wasteful number, since it uses less digits than its factorization.

8427265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 135 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 8427265 is about 2902.9751979650. The cubic root of 8427265 is about 203.4989707100.

The spelling of 8427265 in words is "eight million, four hundred twenty-seven thousand, two hundred sixty-five".

Divisors: 1 5 7 11 35 49 53 55 59 77 245 265 295 371 385 413 539 583 649 1855 2065 2597 2695 2891 2915 3127 3245 4081 4543 12985 14455 15635 20405 21889 22715 28567 31801 34397 109445 142835 153223 159005 171985 240779 766115 1203895 1685453 8427265