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242043111 = 32109246731
BaseRepresentation
bin11100110110101…
…00100011100111
3121212110001201200
432123110203213
5443430334421
640003453543
75666222022
oct1633244347
9555401650
10242043111
11114699632
12690872b3
133b1b7a9b
14242081b9
15163b1726
hexe6d48e7

242043111 has 12 divisors (see below), whose sum is σ = 352826760. Its totient is φ = 159881040.

The previous prime is 242043073. The next prime is 242043119. The reversal of 242043111 is 111340242.

It is not a de Polignac number, because 242043111 - 218 = 241780967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242043119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122385 + ... + 124346.

It is an arithmetic number, because the mean of its divisors is an integer number (29402230).

Almost surely, 2242043111 is an apocalyptic number.

242043111 is a deficient number, since it is larger than the sum of its proper divisors (110783649).

242043111 is a wasteful number, since it uses less digits than its factorization.

242043111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246846 (or 246843 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 242043111 is about 15557.7347644186. The cubic root of 242043111 is about 623.2049709151.

Adding to 242043111 its reverse (111340242), we get a palindrome (353383353).

The spelling of 242043111 in words is "two hundred forty-two million, forty-three thousand, one hundred eleven".

Divisors: 1 3 9 109 327 981 246731 740193 2220579 26893679 80681037 242043111