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242006423 = 1971228459
BaseRepresentation
bin11100110110010…
…11100110010111
3121212101012101212
432123023212113
5443423201143
640003012035
75666010041
oct1633134627
9555335355
10242006423
1111467400a
126906a01b
133b1a4189
14241d8a91
15163a5918
hexe6cb997

242006423 has 4 divisors (see below), whose sum is σ = 243235080. Its totient is φ = 240777768.

The previous prime is 242006417. The next prime is 242006447. The reversal of 242006423 is 324600242.

242006423 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 242006423 - 210 = 242005399 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 (242006123) 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 3 ways as a sum of consecutive naturals, for example, 614033 + ... + 614426.

It is an arithmetic number, because the mean of its divisors is an integer number (60808770).

Almost surely, 2242006423 is an apocalyptic number.

242006423 is a deficient number, since it is larger than the sum of its proper divisors (1228657).

242006423 is a wasteful number, since it uses less digits than its factorization.

242006423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228656.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 242006423 is about 15556.5556277731. Note that the first 3 decimals coincide. The cubic root of 242006423 is about 623.1734816222.

Adding to 242006423 its reverse (324600242), we get a palindrome (566606665).

The spelling of 242006423 in words is "two hundred forty-two million, six thousand, four hundred twenty-three".

Divisors: 1 197 1228459 242006423