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22048028 = 225512007
BaseRepresentation
bin101010000011…
…0110100011100
31112111011012122
41110012310130
521121014103
62104322112
7355255652
oct124066434
945434178
1022048028
111149a012
127473338
13474c692
142cdcdd2
151e07b38
hex1506d1c

22048028 has 6 divisors (see below), whose sum is σ = 38584056. Its totient is φ = 11024012.

The previous prime is 22048021. The next prime is 22048049. The reversal of 22048028 is 82084022.

It is a super-2 number, since 2×220480282 = 972231077377568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22047988 and 22048006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22048021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756000 + ... + 2756007.

It is an arithmetic number, because the mean of its divisors is an integer number (6430676).

Almost surely, 222048028 is an apocalyptic number.

It is an amenable number.

22048028 is a deficient number, since it is larger than the sum of its proper divisors (16536028).

22048028 is a wasteful number, since it uses less digits than its factorization.

22048028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512011 (or 5512009 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 22048028 is about 4695.5327706236. The cubic root of 22048028 is about 280.4076884182.

The spelling of 22048028 in words is "twenty-two million, forty-eight thousand, twenty-eight".

Divisors: 1 2 4 5512007 11024014 22048028