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242068668 = 223107188527
BaseRepresentation
bin11100110110110…
…10110010111100
3121212111100210020
432123122302330
5443432144133
640004212140
75666356362
oct1633326274
9555440706
10242068668
11114706856
126909a050
133b1c65ca
1424213632
15163b90b3
hexe6dacbc

242068668 has 24 divisors (see below), whose sum is σ = 570108672. Its totient is φ = 79935024.

The previous prime is 242068613. The next prime is 242068669. The reversal of 242068668 is 866860242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242068669) 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 7 ways as a sum of consecutive naturals, for example, 92980 + ... + 95547.

It is an arithmetic number, because the mean of its divisors is an integer number (23754528).

Almost surely, 2242068668 is an apocalyptic number.

It is an amenable number.

242068668 is an abundant number, since it is smaller than the sum of its proper divisors (328040004).

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

242068668 is a wasteful number, since it uses less digits than its factorization.

242068668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188641 (or 188639 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 242068668 is about 15558.5561026723. The cubic root of 242068668 is about 623.2269045958.

The spelling of 242068668 in words is "two hundred forty-two million, sixty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 188527 377054 565581 754108 1131162 2262324 20172389 40344778 60517167 80689556 121034334 242068668