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28044248 = 233505531
BaseRepresentation
bin110101011111…
…0101111011000
31221202210110212
41222332233120
524134403443
62441030252
7460241441
oct152765730
957683425
1028044248
1114915071
129485388
135a6ba3b
143a202c8
1526de618
hex1abebd8

28044248 has 8 divisors (see below), whose sum is σ = 52582980. Its totient is φ = 14022120.

The previous prime is 28044239. The next prime is 28044253. The reversal of 28044248 is 84244082.

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

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, 1752758 + ... + 1752773.

Almost surely, 228044248 is an apocalyptic number.

It is an amenable number.

28044248 is a deficient number, since it is larger than the sum of its proper divisors (24538732).

28044248 is a wasteful number, since it uses less digits than its factorization.

28044248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505537 (or 3505533 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 28044248 is about 5295.6820146229. The cubic root of 28044248 is about 303.8187689418.

The spelling of 28044248 in words is "twenty-eight million, forty-four thousand, two hundred forty-eight".

Divisors: 1 2 4 8 3505531 7011062 14022124 28044248