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242300321 = 1723140627
BaseRepresentation
bin11100111000100…
…11010110100001
3121212221010112222
432130103112201
5444012102241
640013200425
76001342634
oct1634232641
9555833488
10242300321
111148548aa
1269190115
133b277b93
1424273c1b
1516412a4b
hexe7135a1

242300321 has 4 divisors (see below), whose sum is σ = 242442672. Its totient is φ = 242157972.

The previous prime is 242300299. The next prime is 242300327. The reversal of 242300321 is 123003242.

242300321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242300321 - 26 = 242300257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242300321.

It is not an unprimeable number, because it can be changed into a prime (242300327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68591 + ... + 72036.

It is an arithmetic number, because the mean of its divisors is an integer number (60610668).

Almost surely, 2242300321 is an apocalyptic number.

It is an amenable number.

242300321 is a deficient number, since it is larger than the sum of its proper divisors (142351).

242300321 is a wasteful number, since it uses less digits than its factorization.

242300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142350.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242300321 is about 15565.9988757548. The cubic root of 242300321 is about 623.4256448325.

Adding to 242300321 its reverse (123003242), we get a palindrome (365303563).

The spelling of 242300321 in words is "two hundred forty-two million, three hundred thousand, three hundred twenty-one".

Divisors: 1 1723 140627 242300321