30133000 has 32 divisors (see below), whose sum is σ = 70513560. Its totient is φ = 12052800.

The previous prime is 30132937. The next prime is 30133003. The reversal of 30133000 is 33103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6260004 + 23872996 = 2502^2 + 4886^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30133003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14067 + ... + 16066.

Almost surely, 2^30133000 is an apocalyptic number.

It is an amenable number.

30133000 is an abundant number, since it is smaller than the sum of its proper divisors (40380560).

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

30133000 is a wasteful number, since it uses less digits than its factorization.

30133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30154 (or 30140 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 30133000 is about 5489.3533316776. The cubic root of 30133000 is about 311.1817536106.

Adding to 30133000 its reverse (33103), we get a palindrome (30166103).

The spelling of 30133000 in words is "thirty million, one hundred thirty-three thousand".