283520242 has 32 divisors (see below), whose sum is σ = 461260800. Its totient is φ = 130264848.

The previous prime is 283520239. The next prime is 283520249. The reversal of 283520242 is 242025382.

It is a happy number.

It is a super-3 number, since 3×283520242³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 283520242.

It is not an unprimeable number, because it can be changed into a prime (283520249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272359 + ... + 273397.

It is an arithmetic number, because the mean of its divisors is an integer number (14414400).

Almost surely, 2^283520242 is an apocalyptic number.

283520242 is a deficient number, since it is larger than the sum of its proper divisors (177740558).

283520242 is a wasteful number, since it uses less digits than its factorization.

283520242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 283520242 is about 16838.0593299822. The cubic root of 283520242 is about 656.9435055717.

The spelling of 283520242 in words is "two hundred eighty-three million, five hundred twenty thousand, two hundred forty-two".