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242305201 = 353686417
BaseRepresentation
bin11100111000101…
…00100010110001
3121212221101020201
432130110202301
5444012231301
640013235201
76001363105
oct1634244261
9555841221
10242305201
11114858536
1269192b01
133b27a178
1424275905
1516414201
hexe7148b1

242305201 has 4 divisors (see below), whose sum is σ = 242991972. Its totient is φ = 241618432.

The previous prime is 242305171. The next prime is 242305213. The reversal of 242305201 is 102503242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58675600 + 183629601 = 7660^2 + 13551^2 .

It is a cyclic number.

It is not a de Polignac number, because 242305201 - 223 = 233916593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242305291) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 342856 + ... + 343561.

It is an arithmetic number, because the mean of its divisors is an integer number (60747993).

Almost surely, 2242305201 is an apocalyptic number.

It is an amenable number.

242305201 is a deficient number, since it is larger than the sum of its proper divisors (686771).

242305201 is an equidigital number, since it uses as much as digits as its factorization.

242305201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686770.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 242305201 is about 15566.1556268720. The cubic root of 242305201 is about 623.4298301299.

Adding to 242305201 its reverse (102503242), we get a palindrome (344808443).

The spelling of 242305201 in words is "two hundred forty-two million, three hundred five thousand, two hundred one".

Divisors: 1 353 686417 242305201