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30132233 = 194213767
BaseRepresentation
bin111001011110…
…0100000001001
32002200212122122
41302330200021
530203212413
62553501025
7514056035
oct162744011
962625578
1030132233
111601087a
12a111775
136320231
1440051c5
1529a3108
hex1cbc809

30132233 has 8 divisors (see below), whose sum is σ = 31801920. Its totient is φ = 28470960.

The previous prime is 30132209. The next prime is 30132251. The reversal of 30132233 is 33223103.

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

It is a cyclic number.

It is not a de Polignac number, because 30132233 - 26 = 30132169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30132203) 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 7 ways as a sum of consecutive naturals, for example, 6116 + ... + 9882.

It is an arithmetic number, because the mean of its divisors is an integer number (3975240).

Almost surely, 230132233 is an apocalyptic number.

It is an amenable number.

30132233 is a deficient number, since it is larger than the sum of its proper divisors (1669687).

30132233 is a wasteful number, since it uses less digits than its factorization.

30132233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 30132233 is about 5489.2834687234. The cubic root of 30132233 is about 311.1791133333.

Adding to 30132233 its reverse (33223103), we get a palindrome (63355336).

The spelling of 30132233 in words is "thirty million, one hundred thirty-two thousand, two hundred thirty-three".

Divisors: 1 19 421 3767 7999 71573 1585907 30132233