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28022882 = 215192791
BaseRepresentation
bin110101011100…
…1100001100010
31221201201011112
41222321201202
524133213012
62440343322
7460122236
oct152714142
957651145
1028022882
1114900008
129474b42
135a620b4
143a165c6
1526d8122
hex1ab9862

28022882 has 8 divisors (see below), whose sum is σ = 42313152. Its totient is φ = 13918500.

The previous prime is 28022879. The next prime is 28022887. The reversal of 28022882 is 28822082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28022887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46094 + ... + 46697.

It is an arithmetic number, because the mean of its divisors is an integer number (5289144).

Almost surely, 228022882 is an apocalyptic number.

28022882 is a deficient number, since it is larger than the sum of its proper divisors (14290270).

28022882 is a wasteful number, since it uses less digits than its factorization.

28022882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92944.

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 28022882 is about 5293.6643263433. The cubic root of 28022882 is about 303.7415927946.

The spelling of 28022882 in words is "twenty-eight million, twenty-two thousand, eight hundred eighty-two".

Divisors: 1 2 151 302 92791 185582 14011441 28022882