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28324382 = 2103359383
BaseRepresentation
bin110110000001…
…1001000011110
31222022000202012
41230003020132
524222340012
62451031222
7462516242
oct154031036
958260665
1028324382
1114a96589
12959b512
135b393b8
143a94422
152747622
hex1b0321e

28324382 has 16 divisors (see below), whose sum is σ = 43130880. Its totient is φ = 13949112.

The previous prime is 28324381. The next prime is 28324393. The reversal of 28324382 is 28342382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28324381) 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 7 ways as a sum of consecutive naturals, for example, 73763 + ... + 74145.

It is an arithmetic number, because the mean of its divisors is an integer number (2695680).

Almost surely, 228324382 is an apocalyptic number.

28324382 is a deficient number, since it is larger than the sum of its proper divisors (14806498).

28324382 is a wasteful number, since it uses less digits than its factorization.

28324382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847.

The product of its digits is 18432, while the sum is 32.

The square root of 28324382 is about 5322.0655764468. The cubic root of 28324382 is about 304.8270344210.

The spelling of 28324382 in words is "twenty-eight million, three hundred twenty-four thousand, three hundred eighty-two".

Divisors: 1 2 103 206 359 383 718 766 36977 39449 73954 78898 137497 274994 14162191 28324382