242881500 has 48 divisors (see below), whose sum is σ = 707275296. Its totient is φ = 64768000.

The previous prime is 242881493. The next prime is 242881517. The reversal of 242881500 is 5188242.

242881500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 79461 + ... + 82460.

It is an arithmetic number, because the mean of its divisors is an integer number (14734902).

Almost surely, 2^242881500 is an apocalyptic number.

242881500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242881500 is an abundant number, since it is smaller than the sum of its proper divisors (464393796).

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

242881500 is a wasteful number, since it uses less digits than its factorization.

242881500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161943 (or 161931 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 242881500 is about 15584.6559153547. The cubic root of 242881500 is about 623.9236942361.

The spelling of 242881500 in words is "two hundred forty-two million, eight hundred eighty-one thousand, five hundred".