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42227806 = 2432631867
BaseRepresentation
bin1010000100010…
…1100001011110
32221110101122211
42201011201132
541302242211
64105031034
71021634065
oct241054136
987411584
1042227806
1121922415
121218547a
13899688a
1458731dc
153a91e21
hex284585e

42227806 has 16 divisors (see below), whose sum is σ = 65096064. Its totient is φ = 20533464.

The previous prime is 42227777. The next prime is 42227807. The reversal of 42227806 is 60872224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42227807) 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 in 7 ways as a sum of consecutive naturals, for example, 21685 + ... + 23551.

It is an arithmetic number, because the mean of its divisors is an integer number (4068504).

Almost surely, 242227806 is an apocalyptic number.

42227806 is a deficient number, since it is larger than the sum of its proper divisors (22868258).

42227806 is a wasteful number, since it uses less digits than its factorization.

42227806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 42227806 is about 6498.2925449690. The cubic root of 42227806 is about 348.2299917542.

The spelling of 42227806 in words is "forty-two million, two hundred twenty-seven thousand, eight hundred six".

Divisors: 1 2 43 86 263 526 1867 3734 11309 22618 80281 160562 491021 982042 21113903 42227806