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242432407 = 7317109253
BaseRepresentation
bin11100111001100…
…11100110010111
3121220011211202001
432130303212113
5444030314112
640020100131
76002433010
oct1634634627
9556154661
10242432407
11114935068
1269234647
133b2c3039
14242aa007
151643bc57
hexe733997

242432407 has 8 divisors (see below), whose sum is σ = 277942176. Its totient is φ = 207141792.

The previous prime is 242432389. The next prime is 242432413. The reversal of 242432407 is 704234242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242432407 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 (242432447) 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, 52408 + ... + 56845.

It is an arithmetic number, because the mean of its divisors is an integer number (34742772).

Almost surely, 2242432407 is an apocalyptic number.

242432407 is a deficient number, since it is larger than the sum of its proper divisors (35509769).

242432407 is a wasteful number, since it uses less digits than its factorization.

242432407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109577.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 242432407 is about 15570.2410707092. The cubic root of 242432407 is about 623.5389076362.

Adding to 242432407 its reverse (704234242), we get a palindrome (946666649).

The spelling of 242432407 in words is "two hundred forty-two million, four hundred thirty-two thousand, four hundred seven".

Divisors: 1 7 317 2219 109253 764771 34633201 242432407