242261530 has 32 divisors (see below), whose sum is σ = 520038144. Its totient is φ = 79449216.

The previous prime is 242261473. The next prime is 242261557. The reversal of 242261530 is 35162242.

242261530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242261495 and 242261504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73627 + ... + 76846.

It is an arithmetic number, because the mean of its divisors is an integer number (16251192).

Almost surely, 2^242261530 is an apocalyptic number.

242261530 is an abundant number, since it is smaller than the sum of its proper divisors (277776614).

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

242261530 is a wasteful number, since it uses less digits than its factorization.

242261530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150510.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 242261530 is about 15564.7528088306. The cubic root of 242261530 is about 623.3923740073.

The spelling of 242261530 in words is "two hundred forty-two million, two hundred sixty-one thousand, five hundred thirty".