283481540 has 12 divisors (see below), whose sum is σ = 595311276. Its totient is φ = 113392608.

The previous prime is 283481533. The next prime is 283481543. The reversal of 283481540 is 45184382.

It can be written as a sum of positive squares in 2 ways, for example, as 120868036 + 162613504 = 10994^2 + 12752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 283481540.

It is not an unprimeable number, because it can be changed into a prime (283481543) 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, 7087019 + ... + 7087058.

It is an arithmetic number, because the mean of its divisors is an integer number (49609273).

Almost surely, 2^283481540 is an apocalyptic number.

283481540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283481540 is an abundant number, since it is smaller than the sum of its proper divisors (311829736).

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

283481540 is a wasteful number, since it uses less digits than its factorization.

283481540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14174086 (or 14174084 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 283481540 is about 16836.9100490559. The cubic root of 283481540 is about 656.9136121334.

The spelling of 283481540 in words is "two hundred eighty-three million, four hundred eighty-one thousand, five hundred forty".