30284133 has 16 divisors (see below), whose sum is σ = 44222016. Its totient is φ = 18282240.

The previous prime is 30284131. The next prime is 30284141. The reversal of 30284133 is 33148203.

It is not a de Polignac number, because 30284133 - 2¹ = 30284131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30284131) 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 15 ways as a sum of consecutive naturals, for example, 7485 + ... + 10797.

It is an arithmetic number, because the mean of its divisors is an integer number (2763876).

Almost surely, 2^30284133 is an apocalyptic number.

30284133 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30284133 is a deficient number, since it is larger than the sum of its proper divisors (13937883).

30284133 is a wasteful number, since it uses less digits than its factorization.

30284133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30284133 is about 5503.1021251654. The cubic root of 30284133 is about 311.7011335130.

The spelling of 30284133 in words is "thirty million, two hundred eighty-four thousand, one hundred thirty-three".