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28884882 = 2313547677
BaseRepresentation
bin110111000101…
…1111110010010
32000100111121110
41232023332102
524343304012
62511034150
7500342325
oct156137622
960314543
1028884882
1115339704
12980b956
135ca4560
143b9c7bc
15280873c
hex1b8bf92

28884882 has 32 divisors (see below), whose sum is σ = 62419392. Its totient is φ = 8858304.

The previous prime is 28884881. The next prime is 28884893. The reversal of 28884882 is 28848882.

It is not an unprimeable number, because it can be changed into a prime (28884881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42328 + ... + 43004.

It is an arithmetic number, because the mean of its divisors is an integer number (1950606).

Almost surely, 228884882 is an apocalyptic number.

28884882 is an abundant number, since it is smaller than the sum of its proper divisors (33534510).

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

28884882 is a wasteful number, since it uses less digits than its factorization.

28884882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its digits is 524288, while the sum is 48.

The square root of 28884882 is about 5374.4657408900. The cubic root of 28884882 is about 306.8246159140.

The spelling of 28884882 in words is "twenty-eight million, eight hundred eighty-four thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 547 677 1094 1354 1641 2031 3282 4062 7111 8801 14222 17602 21333 26403 42666 52806 370319 740638 1110957 2221914 4814147 9628294 14442441 28884882