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40223980 = 2252011199
BaseRepresentation
bin1001100101110…
…0010011101100
32210200120221001
42121130103230
540244131410
63554050044
7665620036
oct231342354
983616831
1040223980
1120783965
1211579924
138444794
1454b0c56
1537e833a
hex265c4ec

40223980 has 12 divisors (see below), whose sum is σ = 84470400. Its totient is φ = 16089584.

The previous prime is 40223977. The next prime is 40224011. The reversal of 40223980 is 8932204.

40223980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1005580 + ... + 1005619.

It is an arithmetic number, because the mean of its divisors is an integer number (7039200).

Almost surely, 240223980 is an apocalyptic number.

It is an amenable number.

40223980 is an abundant number, since it is smaller than the sum of its proper divisors (44246420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40223980 is a wasteful number, since it uses less digits than its factorization.

40223980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011208 (or 2011206 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40223980 is about 6342.2377754228. The cubic root of 40223980 is about 342.6323355984.

The spelling of 40223980 in words is "forty million, two hundred twenty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2011199 4022398 8044796 10055995 20111990 40223980