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28826222 = 2231973181
BaseRepresentation
bin110110111110…
…1101001101110
32000020112010212
41231331221232
524334414342
62505502422
7500006315
oct155755156
960215125
1028826222
11152a9627
1297a1a12
135c83949
143b8527c
1527e6182
hex1b7da6e

28826222 has 16 divisors (see below), whose sum is σ = 45362592. Its totient is φ = 13712160.

The previous prime is 28826209. The next prime is 28826227. The reversal of 28826222 is 22262882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28826227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7472 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (2835162).

Almost surely, 228826222 is an apocalyptic number.

28826222 is a deficient number, since it is larger than the sum of its proper divisors (16536370).

28826222 is a wasteful number, since it uses less digits than its factorization.

28826222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403.

The product of its digits is 12288, while the sum is 32.

The square root of 28826222 is about 5369.0056807569. The cubic root of 28826222 is about 306.6167732840.

The spelling of 28826222 in words is "twenty-eight million, eight hundred twenty-six thousand, two hundred twenty-two".

Divisors: 1 2 23 46 197 394 3181 4531 6362 9062 73163 146326 626657 1253314 14413111 28826222