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28528352 = 251098179
BaseRepresentation
bin110110011010…
…0111011100000
31222200101112122
41230310323200
524300401402
62455243412
7464326016
oct154647340
958611478
1028528352
1115115856
129679568
135bab1a8
143b088b6
152787ca2
hex1b34ee0

28528352 has 24 divisors (see below), whose sum is σ = 56687400. Its totient is φ = 14131584.

The previous prime is 28528351. The next prime is 28528387. The reversal of 28528352 is 25382582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28528351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (2361975).

Almost surely, 228528352 is an apocalyptic number.

It is an amenable number.

28528352 is a deficient number, since it is larger than the sum of its proper divisors (28159048).

28528352 is a wasteful number, since it uses less digits than its factorization.

28528352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298 (or 8290 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 28528352 is about 5341.1938740323. The cubic root of 28528352 is about 305.5569934821.

The spelling of 28528352 in words is "twenty-eight million, five hundred twenty-eight thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 109 218 436 872 1744 3488 8179 16358 32716 65432 130864 261728 891511 1783022 3566044 7132088 14264176 28528352