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8228012 = 2213158231
BaseRepresentation
bin11111011000110010101100
3120111000201012
4133120302230
54101244022
6452204352
7126636242
oct37306254
916430635
108228012
11470a911
1229096b8
131921160
141142792
15ac7de2
hex7d8cac

8228012 has 12 divisors (see below), whose sum is σ = 15506736. Its totient is φ = 3797520.

The previous prime is 8228009. The next prime is 8228021. The reversal of 8228012 is 2108228.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 79064 + ... + 79167.

It is an arithmetic number, because the mean of its divisors is an integer number (1292228).

Almost surely, 28228012 is an apocalyptic number.

It is an amenable number.

8228012 is a deficient number, since it is larger than the sum of its proper divisors (7278724).

8228012 is a wasteful number, since it uses less digits than its factorization.

8228012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158248 (or 158246 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 8228012 is about 2868.4511500111. The cubic root of 8228012 is about 201.8823286166.

The spelling of 8228012 in words is "eight million, two hundred twenty-eight thousand, twelve".

Divisors: 1 2 4 13 26 52 158231 316462 632924 2057003 4114006 8228012