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28826115 = 352637307
BaseRepresentation
bin110110111110…
…1101000000011
32000020111222220
41231331220003
524334413430
62505502123
7500006103
oct155755003
960214886
1028826115
11152a953a
1297a1943
135c83896
143b85203
1527e6110
hex1b7da03

28826115 has 16 divisors (see below), whose sum is σ = 46303488. Its totient is φ = 15313376.

The previous prime is 28826093. The next prime is 28826123. The reversal of 28826115 is 51162882.

It is a cyclic number.

It is not a de Polignac number, because 28826115 - 28 = 28825859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (2893968).

Almost surely, 228826115 is an apocalyptic number.

28826115 is a deficient number, since it is larger than the sum of its proper divisors (17477373).

28826115 is a wasteful number, since it uses less digits than its factorization.

28826115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578.

The product of its digits is 7680, while the sum is 33.

The square root of 28826115 is about 5368.9957161465. The cubic root of 28826115 is about 306.6163939067.

Adding to 28826115 its reverse (51162882), we get a palindrome (79988997).

The spelling of 28826115 in words is "twenty-eight million, eight hundred twenty-six thousand, one hundred fifteen".

Divisors: 1 3 5 15 263 789 1315 3945 7307 21921 36535 109605 1921741 5765223 9608705 28826115