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28895404 = 227223851
BaseRepresentation
bin110111000111…
…0100010101100
32000101001001011
41232032202230
524344123104
62511155004
7500415106
oct156164254
960331034
1028895404
11153465aa
129815a64
135ca9295
143ba2576
15280b904
hex1b8e8ac

28895404 has 6 divisors (see below), whose sum is σ = 50566964. Its totient is φ = 14447700.

The previous prime is 28895401. The next prime is 28895407. The reversal of 28895404 is 40459882.

It is an interprime number because it is at equal distance from previous prime (28895401) and next prime (28895407).

It is not an unprimeable number, because it can be changed into a prime (28895401) 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 as a sum of consecutive naturals, namely, 3611922 + ... + 3611929.

Almost surely, 228895404 is an apocalyptic number.

It is an amenable number.

28895404 is a deficient number, since it is larger than the sum of its proper divisors (21671560).

28895404 is a wasteful number, since it uses less digits than its factorization.

28895404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223855 (or 7223853 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 28895404 is about 5375.4445397567. Note that the first 3 decimals coincide. The cubic root of 28895404 is about 306.8618674270.

The spelling of 28895404 in words is "twenty-eight million, eight hundred ninety-five thousand, four hundred four".

Divisors: 1 2 4 7223851 14447702 28895404