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242403323 = 1714259019
BaseRepresentation
bin11100111001011…
…00011111111011
3121220010100211212
432130230133323
5444023401243
640015313335
76002252141
oct1634543773
9556110755
10242403323
11114915228
126921b84b
133b2b2a26
142429d591
1516433318
hexe72c7fb

242403323 has 4 divisors (see below), whose sum is σ = 256662360. Its totient is φ = 228144288.

The previous prime is 242403283. The next prime is 242403361. The reversal of 242403323 is 323304242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323304242 = 2161652121.

It is a cyclic number.

It is not a de Polignac number, because 242403323 - 214 = 242386939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242403023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7129493 + ... + 7129526.

It is an arithmetic number, because the mean of its divisors is an integer number (64165590).

Almost surely, 2242403323 is an apocalyptic number.

242403323 is a deficient number, since it is larger than the sum of its proper divisors (14259037).

242403323 is a wasteful number, since it uses less digits than its factorization.

242403323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14259036.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 242403323 is about 15569.3070815628. The cubic root of 242403323 is about 623.5139718461.

Adding to 242403323 its reverse (323304242), we get a palindrome (565707565).

The spelling of 242403323 in words is "two hundred forty-two million, four hundred three thousand, three hundred twenty-three".

Divisors: 1 17 14259019 242403323