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30033132 = 2232502761
BaseRepresentation
bin111001010010…
…0010011101100
32002111211201020
41302210103230
530142030012
62551414140
7513164103
oct162442354
962454636
1030033132
1115a53378
12a084350
1362b70ac
143dbb03a
152983a8c
hex1ca44ec

30033132 has 12 divisors (see below), whose sum is σ = 70077336. Its totient is φ = 10011040.

The previous prime is 30033131. The next prime is 30033151. The reversal of 30033132 is 23133003.

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

It is not an unprimeable number, because it can be changed into a prime (30033131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251369 + ... + 1251392.

It is an arithmetic number, because the mean of its divisors is an integer number (5839778).

Almost surely, 230033132 is an apocalyptic number.

It is an amenable number.

30033132 is an abundant number, since it is smaller than the sum of its proper divisors (40044204).

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

30033132 is a wasteful number, since it uses less digits than its factorization.

30033132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502768 (or 2502766 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 30033132 is about 5480.2492644039. The cubic root of 30033132 is about 310.8375960973.

Adding to 30033132 its reverse (23133003), we get a palindrome (53166135).

The spelling of 30033132 in words is "thirty million, thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 2502761 5005522 7508283 10011044 15016566 30033132