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242311111 = 7148723279
BaseRepresentation
bin11100111000101…
…01111111000111
3121212221200100121
432130111333013
5444012423421
640013322411
76001416250
oct1634257707
9555850317
10242311111
11114861a19
1269196407
133b27ca73
1424277b27
1516415d41
hexe715fc7

242311111 has 8 divisors (see below), whose sum is σ = 277125120. Its totient is φ = 207546648.

The previous prime is 242311103. The next prime is 242311117. The reversal of 242311111 is 111113242.

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

It is a cyclic number.

It is not a de Polignac number, because 242311111 - 23 = 242311103 is a prime.

It is a Duffinian number.

242311111 is a modest number, since divided by 11111 gives 2423 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242311117) 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, 1231 + ... + 22048.

It is an arithmetic number, because the mean of its divisors is an integer number (34640640).

Almost surely, 2242311111 is an apocalyptic number.

242311111 is a deficient number, since it is larger than the sum of its proper divisors (34814009).

242311111 is a wasteful number, since it uses less digits than its factorization.

242311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24773.

The product of its digits is 48, while the sum is 16.

The square root of 242311111 is about 15566.3454606404. The cubic root of 242311111 is about 623.4348987243.

Adding to 242311111 its reverse (111113242), we get a palindrome (353424353).

The spelling of 242311111 in words is "two hundred forty-two million, three hundred eleven thousand, one hundred eleven".

Divisors: 1 7 1487 10409 23279 162953 34615873 242311111