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242818684 = 22178594157
BaseRepresentation
bin11100111100100…
…01111001111100
3121220220110121121
432132101321330
5444130144214
640032240324
76005632123
oct1636217174
9556813547
10242818684
111150792a9
12693a00a4
133b3c9ac4
142436aaba
15164b6424
hexe791e7c

242818684 has 24 divisors (see below), whose sum is σ = 450560880. Its totient is φ = 114107136.

The previous prime is 242818673. The next prime is 242818699. The reversal of 242818684 is 486818242.

It is a self number, because there is not a number n which added to its sum of digits gives 242818684.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56334 + ... + 60490.

It is an arithmetic number, because the mean of its divisors is an integer number (18773370).

Almost surely, 2242818684 is an apocalyptic number.

It is an amenable number.

242818684 is a deficient number, since it is larger than the sum of its proper divisors (207742196).

242818684 is a wasteful number, since it uses less digits than its factorization.

242818684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5035 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 242818684 is about 15582.6404694455. The cubic root of 242818684 is about 623.8699015155.

It can be divided in two parts, 2428 and 18684, that added together give a palindrome (21112).

The spelling of 242818684 in words is "two hundred forty-two million, eight hundred eighteen thousand, six hundred eighty-four".

Divisors: 1 2 4 17 34 68 859 1718 3436 4157 8314 14603 16628 29206 58412 70669 141338 282676 3570863 7141726 14283452 60704671 121409342 242818684