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242431423 = 1329363647
BaseRepresentation
bin11100111001100…
…11010110111111
3121220011210101121
432130303112333
5444030301143
640020051411
76002430103
oct1634632677
9556153347
10242431423
11114934353
1269233b67
133b2c2760
14242a9903
151643b7ed
hexe7335bf

242431423 has 8 divisors (see below), whose sum is σ = 261975168. Its totient is φ = 223015584.

The previous prime is 242431391. The next prime is 242431433. The reversal of 242431423 is 324134242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 242431423 - 25 = 242431391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242431433) 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 7 ways as a sum of consecutive naturals, for example, 28015 + ... + 35632.

It is an arithmetic number, because the mean of its divisors is an integer number (32746896).

Almost surely, 2242431423 is an apocalyptic number.

242431423 is a deficient number, since it is larger than the sum of its proper divisors (19543745).

242431423 is a wasteful number, since it uses less digits than its factorization.

242431423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63953.

The product of its digits is 4608, while the sum is 25.

The square root of 242431423 is about 15570.2094719371. The cubic root of 242431423 is about 623.5380640154.

Adding to 242431423 its reverse (324134242), we get a palindrome (566565665).

The spelling of 242431423 in words is "two hundred forty-two million, four hundred thirty-one thousand, four hundred twenty-three".

Divisors: 1 13 293 3809 63647 827411 18648571 242431423