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28534208 = 26445847
BaseRepresentation
bin110110011011…
…0010111000000
31222200200120112
41230312113000
524301043313
62455330452
7464352053
oct154662700
958620515
1028534208
111511a19a
129680a28
135bb0a61
143b0aa9a
1527898a8
hex1b365c0

28534208 has 14 divisors (see below), whose sum is σ = 56622696. Its totient is φ = 14267072.

The previous prime is 28534189. The next prime is 28534213. The reversal of 28534208 is 80243582.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222860 + ... + 222987.

Almost surely, 228534208 is an apocalyptic number.

It is an amenable number.

28534208 is a deficient number, since it is larger than the sum of its proper divisors (28088488).

28534208 is an equidigital number, since it uses as much as digits as its factorization.

28534208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445859 (or 445849 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28534208 is about 5341.7420379498. The cubic root of 28534208 is about 305.5778992268.

The spelling of 28534208 in words is "twenty-eight million, five hundred thirty-four thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 64 445847 891694 1783388 3566776 7133552 14267104 28534208