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223443042 = 2337240507
BaseRepresentation
bin11010101000101…
…11100001100010
3120120110002020020
431110113201202
5424200134132
634101054310
75352143304
oct1524274142
9516402206
10223443042
11105145079
12629b7396
13373a4924
1421965974
151493a52c
hexd517862

223443042 has 8 divisors (see below), whose sum is σ = 446886096. Its totient is φ = 74481012.

The previous prime is 223443041. The next prime is 223443067. The reversal of 223443042 is 240344322.

It is a sphenic number, since it is the product of 3 distinct primes.

223443042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (223443041) by changing a digit.

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, 18620248 + ... + 18620259.

It is an arithmetic number, because the mean of its divisors is an integer number (55860762).

Almost surely, 2223443042 is an apocalyptic number.

223443042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223443042 is a wasteful number, since it uses less digits than its factorization.

223443042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37240512.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 223443042 is about 14948.0113058560. The cubic root of 223443042 is about 606.8140276545.

Adding to 223443042 its reverse (240344322), we get a palindrome (463787364).

The spelling of 223443042 in words is "two hundred twenty-three million, four hundred forty-three thousand, forty-two".

Divisors: 1 2 3 6 37240507 74481014 111721521 223443042