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242079047 = 7411077883
BaseRepresentation
bin11100110110111…
…01010101000111
3121212111220000122
432123131111013
5443433012142
640004332155
75666431550
oct1633352507
9555456018
10242079047
11114713631
12690a405b
133b1cb252
1424217327
15163bc1d2
hexe6dd547

242079047 has 16 divisors (see below), whose sum is σ = 286094592. Its totient is φ = 200518080.

The previous prime is 242079029. The next prime is 242079053. The reversal of 242079047 is 740970242.

It is a happy number.

It is not a de Polignac number, because 242079047 - 26 = 242078983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242078998 and 242079016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242079007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26768 + ... + 34650.

It is an arithmetic number, because the mean of its divisors is an integer number (17880912).

Almost surely, 2242079047 is an apocalyptic number.

242079047 is a deficient number, since it is larger than the sum of its proper divisors (44015545).

242079047 is a wasteful number, since it uses less digits than its factorization.

242079047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 242079047 is about 15558.8896454728. The cubic root of 242079047 is about 623.2358116821.

The spelling of 242079047 in words is "two hundred forty-two million, seventy-nine thousand, forty-seven".

Divisors: 1 7 41 107 287 749 4387 7883 30709 55181 323203 843481 2262421 5904367 34582721 242079047