242530236 has 144 divisors (see below), whose sum is σ = 693871360. Its totient is φ = 70917120.

The previous prime is 242530229. The next prime is 242530247. The reversal of 242530236 is 632035242.

242530236 is a `hidden beast` number, since 2 + 425 + 3 + 0 + 236 = 666.

242530236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×242530236³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1058970 + ... + 1059198.

Almost surely, 2^242530236 is an apocalyptic number.

242530236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242530236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346935680).

242530236 is an abundant number, since it is smaller than the sum of its proper divisors (451341124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242530236 is a wasteful number, since it uses less digits than its factorization.

242530236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 242530236 is about 15573.3822915897. The cubic root of 242530236 is about 623.6227687905.

Adding to 242530236 its reverse (632035242), we get a palindrome (874565478).

The spelling of 242530236 in words is "two hundred forty-two million, five hundred thirty thousand, two hundred thirty-six".