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243043022 = 2196395869
BaseRepresentation
bin11100111110010…
…00101011001110
3121221022212100102
432133020223032
5444204334042
640041131102
76010555145
oct1637105316
9557285312
10243043022
11115211902
1269489a92
133b477c51
14243c875c
151650cb32
hexe7c8ace

243043022 has 8 divisors (see below), whose sum is σ = 383752200. Its totient is φ = 115125624.

The previous prime is 243043019. The next prime is 243043043. The reversal of 243043022 is 220340342.

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

It is a junction number, because it is equal to n+sod(n) for n = 243042985 and 243043003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197897 + ... + 3197972.

It is an arithmetic number, because the mean of its divisors is an integer number (47969025).

Almost surely, 2243043022 is an apocalyptic number.

243043022 is a deficient number, since it is larger than the sum of its proper divisors (140709178).

243043022 is a wasteful number, since it uses less digits than its factorization.

243043022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395890.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243043022 is about 15589.8371383411. The cubic root of 243043022 is about 624.0619716421.

Adding to 243043022 its reverse (220340342), we get a palindrome (463383364).

The spelling of 243043022 in words is "two hundred forty-three million, forty-three thousand, twenty-two".

Divisors: 1 2 19 38 6395869 12791738 121521511 243043022