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30000324 = 2232500027
BaseRepresentation
bin111001001110…
…0010011000100
32002110011201010
41302130103010
530140002244
62551002220
7512666334
oct162342304
962404633
1030000324
1115a30762
12a069370
1362a5193
143dad0c4
152978eb9
hex1c9c4c4

30000324 has 12 divisors (see below), whose sum is σ = 70000784. Its totient is φ = 10000104.

The previous prime is 30000323. The next prime is 30000331. The reversal of 30000324 is 42300003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 2500027 = 30000324 / (3 + 0 + 0 + 0 + 0 + 3 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (30000323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250002 + ... + 1250025.

Almost surely, 230000324 is an apocalyptic number.

It is an amenable number.

30000324 is an abundant number, since it is smaller than the sum of its proper divisors (40000460).

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

30000324 is a wasteful number, since it uses less digits than its factorization.

30000324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500034 (or 2500032 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30000324 is about 5477.2551519899. The cubic root of 30000324 is about 310.7243691951.

Adding to 30000324 its reverse (42300003), we get a palindrome (72300327).

The spelling of 30000324 in words is "thirty million, three hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 2500027 5000054 7500081 10000108 15000162 30000324