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242004144 = 24316330931
BaseRepresentation
bin11100110110010…
…11000010110000
3121212101002021110
432123023002300
5443423113034
640002553320
75666000304
oct1633130260
9555332243
10242004144
11114672328
1269068840
133b1a3125
14241d7d04
15163a4de9
hexe6cb0b0

242004144 has 40 divisors (see below), whose sum is σ = 629033152. Its totient is φ = 80170560.

The previous prime is 242004131. The next prime is 242004151. The reversal of 242004144 is 441400242.

It is a self number, because there is not a number n which added to its sum of digits gives 242004144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7642 + ... + 23289.

Almost surely, 2242004144 is an apocalyptic number.

242004144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242004144 is an abundant number, since it is smaller than the sum of its proper divisors (387029008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242004144 is a wasteful number, since it uses less digits than its factorization.

242004144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31105 (or 31099 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 242004144 is about 15556.4823787385. The cubic root of 242004144 is about 623.1715254526.

Adding to 242004144 its reverse (441400242), we get a palindrome (683404386).

The spelling of 242004144 in words is "two hundred forty-two million, four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 163 326 489 652 978 1304 1956 2608 3912 7824 30931 61862 92793 123724 185586 247448 371172 494896 742344 1484688 5041753 10083506 15125259 20167012 30250518 40334024 60501036 80668048 121002072 242004144