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28330822 = 2132791061
BaseRepresentation
bin110110000010…
…0101101000110
31222022100120201
41230010231012
524223041242
62451121114
7462544102
oct154045506
958270521
1028330822
1114aa0403
1295a319a
135b3c300
143a96902
1527494b7
hex1b04b46

28330822 has 24 divisors (see below), whose sum is σ = 46643040. Its totient is φ = 12898080.

The previous prime is 28330793. The next prime is 28330829. The reversal of 28330822 is 22803382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28330829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26172 + ... + 27232.

It is an arithmetic number, because the mean of its divisors is an integer number (1943460).

Almost surely, 228330822 is an apocalyptic number.

28330822 is a deficient number, since it is larger than the sum of its proper divisors (18312218).

28330822 is a wasteful number, since it uses less digits than its factorization.

28330822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 28330822 is about 5322.6705703058. The cubic root of 28330822 is about 304.8501350996.

The spelling of 28330822 in words is "twenty-eight million, three hundred thirty thousand, eight hundred twenty-two".

Divisors: 1 2 13 26 79 158 169 338 1027 1061 2054 2122 13351 13793 26702 27586 83819 167638 179309 358618 1089647 2179294 14165411 28330822