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42223000 = 235342223
BaseRepresentation
bin1010000100010…
…0010110011000
32221110011001211
42201010112120
541302114000
64104552504
71021614061
oct241042630
987404054
1042223000
1121919846
1212182734
138994631
145871568
153a907ba
hex2844598

42223000 has 32 divisors (see below), whose sum is σ = 98804160. Its totient is φ = 16888800.

The previous prime is 42222979. The next prime is 42223007. The reversal of 42223000 is 32224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20112 + ... + 22111.

It is an arithmetic number, because the mean of its divisors is an integer number (3087630).

Almost surely, 242223000 is an apocalyptic number.

42223000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42223000 is an abundant number, since it is smaller than the sum of its proper divisors (56581160).

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

42223000 is a wasteful number, since it uses less digits than its factorization.

42223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42244 (or 42230 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 42223000 is about 6497.9227450009. The cubic root of 42223000 is about 348.2167804211.

Adding to 42223000 its reverse (32224), we get a palindrome (42255224).

The spelling of 42223000 in words is "forty-two million, two hundred twenty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 42223 84446 168892 211115 337784 422230 844460 1055575 1688920 2111150 4222300 5277875 8444600 10555750 21111500 42223000