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28590824 = 239113923
BaseRepresentation
bin110110100010…
…0001011101000
31222210120020102
41231010023220
524304401244
62500444532
7465006113
oct155041350
958716212
1028590824
1115158789
1296a9748
135c00762
143b2357a
15279b54e
hex1b442e8

28590824 has 16 divisors (see below), whose sum is σ = 53680320. Its totient is φ = 14276080.

The previous prime is 28590803. The next prime is 28590833. The reversal of 28590824 is 42809582.

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 3 ways as a sum of consecutive naturals, for example, 5327 + ... + 9249.

It is an arithmetic number, because the mean of its divisors is an integer number (3355020).

Almost surely, 228590824 is an apocalyptic number.

It is an amenable number.

28590824 is a deficient number, since it is larger than the sum of its proper divisors (25089496).

28590824 is a wasteful number, since it uses less digits than its factorization.

28590824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28590824 is about 5347.0388066667. The cubic root of 28590824 is about 305.7798693048.

The spelling of 28590824 in words is "twenty-eight million, five hundred ninety thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 911 1822 3644 3923 7288 7846 15692 31384 3573853 7147706 14295412 28590824