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242444111 = 7213419283
BaseRepresentation
bin11100111001101…
…10011101001111
3121220012102210112
432130312131033
5444031202421
640020230235
76002512100
oct1634663517
9556172715
10242444111
11114942938
126923b37b
133b2c8470
14242b03a7
151644045b
hexe73674f

242444111 has 24 divisors (see below), whose sum is σ = 311162544. Its totient is φ = 187125120.

The previous prime is 242444107. The next prime is 242444113. The reversal of 242444111 is 111444242.

It is not a de Polignac number, because 242444111 - 22 = 242444107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242444113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21476 + ... + 30758.

It is an arithmetic number, because the mean of its divisors is an integer number (12965106).

Almost surely, 2242444111 is an apocalyptic number.

242444111 is a deficient number, since it is larger than the sum of its proper divisors (68718433).

242444111 is a wasteful number, since it uses less digits than its factorization.

242444111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351 (or 9344 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 242444111 is about 15570.6169113494. The cubic root of 242444111 is about 623.5489417484.

Adding to 242444111 its reverse (111444242), we get a palindrome (353888353).

The spelling of 242444111 in words is "two hundred forty-two million, four hundred forty-four thousand, one hundred eleven".

Divisors: 1 7 13 41 49 91 287 533 637 2009 3731 9283 26117 64981 120679 380603 454867 844753 2664221 4947839 5913271 18649547 34634873 242444111