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28048808 = 233506101
BaseRepresentation
bin110101011111…
…1110110101000
31221210000201202
41222333312220
524140030213
62441103332
7460260644
oct152776650
957700652
1028048808
1114918537
129487b48
135a70b38
143a21c24
1526e0b58
hex1abfda8

28048808 has 8 divisors (see below), whose sum is σ = 52591530. Its totient is φ = 14024400.

The previous prime is 28048751. The next prime is 28048817. The reversal of 28048808 is 80884082.

It can be written as a sum of positive squares in only one way, i.e., 24581764 + 3467044 = 4958^2 + 1862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753043 + ... + 1753058.

Almost surely, 228048808 is an apocalyptic number.

It is an amenable number.

28048808 is a deficient number, since it is larger than the sum of its proper divisors (24542722).

28048808 is a wasteful number, since it uses less digits than its factorization.

28048808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506107 (or 3506103 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The square root of 28048808 is about 5296.1125365687. The cubic root of 28048808 is about 303.8352350457.

The spelling of 28048808 in words is "twenty-eight million, forty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 3506101 7012202 14024404 28048808