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28844934 = 2347233439
BaseRepresentation
bin110111000001…
…0001110000110
32000021110210220
41232002032012
524341014214
62510125210
7500115006
oct156021606
960243726
1028844934
1115311698
1297b0806
135c8c311
143b8c006
1527eb9a9
hex1b82386

28844934 has 32 divisors (see below), whose sum is σ = 59304960. Its totient is φ = 9348672.

The previous prime is 28844929. The next prime is 28845007. The reversal of 28844934 is 43944882.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65487 + ... + 65925.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 228844934 is an apocalyptic number.

28844934 is an abundant number, since it is smaller than the sum of its proper divisors (30460026).

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

28844934 is a wasteful number, since it uses less digits than its factorization.

28844934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its digits is 221184, while the sum is 42.

The square root of 28844934 is about 5370.7479925984. The cubic root of 28844934 is about 306.6831037714.

The spelling of 28844934 in words is "twenty-eight million, eight hundred forty-four thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 47 94 141 233 282 439 466 699 878 1317 1398 2634 10951 20633 21902 32853 41266 61899 65706 102287 123798 204574 306861 613722 4807489 9614978 14422467 28844934