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242404443 = 3226933827
BaseRepresentation
bin11100111001011…
…00110001011011
3121220010102101100
432130230301123
5444023420233
640015322443
76002255331
oct1634546133
9556112340
10242404443
11114916056
1269220423
133b2b33a8
142429db51
1516433813
hexe72cc5b

242404443 has 6 divisors (see below), whose sum is σ = 350139764. Its totient is φ = 161602956.

The previous prime is 242404441. The next prime is 242404453. The reversal of 242404443 is 344404242.

It is a happy number.

It is not a de Polignac number, because 242404443 - 21 = 242404441 is a prime.

It is a super-2 number, since 2×2424044432 = 117519827972280498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242404441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13466905 + ... + 13466922.

Almost surely, 2242404443 is an apocalyptic number.

242404443 is a deficient number, since it is larger than the sum of its proper divisors (107735321).

242404443 is a wasteful number, since it uses less digits than its factorization.

242404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26933833 (or 26933830 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 242404443 is about 15569.3430497244. The cubic root of 242404443 is about 623.5149321390.

Adding to 242404443 its reverse (344404242), we get a palindrome (586808685).

The spelling of 242404443 in words is "two hundred forty-two million, four hundred four thousand, four hundred forty-three".

Divisors: 1 3 9 26933827 80801481 242404443