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8285228 = 227295901
BaseRepresentation
bin11111100110110000101100
3120120221012022
4133212300230
54110111403
6453325312
7130265120
oct37466054
916527168
108285228
1147498a6
122936838
131941203
141159580
15ad9d38
hex7e6c2c

8285228 has 12 divisors (see below), whose sum is σ = 16570512. Its totient is φ = 3550800.

The previous prime is 8285227. The next prime is 8285231. The reversal of 8285228 is 8225828.

8285228 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8285227) 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 3 ways as a sum of consecutive naturals, for example, 147923 + ... + 147978.

It is an arithmetic number, because the mean of its divisors is an integer number (1380876).

Almost surely, 28285228 is an apocalyptic number.

It is an amenable number.

8285228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8285228 is a wasteful number, since it uses less digits than its factorization.

8285228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295912 (or 295910 counting only the distinct ones).

The product of its digits is 20480, while the sum is 35.

The square root of 8285228 is about 2878.4071984346. The cubic root of 8285228 is about 202.3491982985.

The spelling of 8285228 in words is "eight million, two hundred eighty-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 295901 591802 1183604 2071307 4142614 8285228