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242430133 = 11181121763
BaseRepresentation
bin11100111001100…
…11000010110101
3121220011201121211
432130303002311
5444030231013
640020041421
76002423251
oct1634630265
9556151554
10242430133
11114933390
1269233271
133b2c1caa
14242a9261
151643b23d
hexe7330b5

242430133 has 8 divisors (see below), whose sum is σ = 265932576. Its totient is φ = 219171600.

The previous prime is 242430127. The next prime is 242430151. The reversal of 242430133 is 331034242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242430133 - 217 = 242299061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242430113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58891 + ... + 62872.

It is an arithmetic number, because the mean of its divisors is an integer number (33241572).

Almost surely, 2242430133 is an apocalyptic number.

It is an amenable number.

242430133 is a deficient number, since it is larger than the sum of its proper divisors (23502443).

242430133 is a wasteful number, since it uses less digits than its factorization.

242430133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121955.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 242430133 is about 15570.1680466204. The cubic root of 242430133 is about 623.5369580455.

Adding to 242430133 its reverse (331034242), we get a palindrome (573464375).

The spelling of 242430133 in words is "two hundred forty-two million, four hundred thirty thousand, one hundred thirty-three".

Divisors: 1 11 181 1991 121763 1339393 22039103 242430133