47283490 has 8 divisors (see below), whose sum is σ = 85110300. Its totient is φ = 18913392.

The previous prime is 47283451. The next prime is 47283493. The reversal of 47283490 is 9438274.

It is a happy number.

47283490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45549001 + 1734489 = 6749^2 + 1317^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47283493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364165 + ... + 2364184.

Almost surely, 2^47283490 is an apocalyptic number.

47283490 is a deficient number, since it is larger than the sum of its proper divisors (37826810).

47283490 is a wasteful number, since it uses less digits than its factorization.

47283490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728356.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 47283490 is about 6876.2991499789. The cubic root of 47283490 is about 361.6067328559.

The spelling of 47283490 in words is "forty-seven million, two hundred eighty-three thousand, four hundred ninety".