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30033136 = 247268153
BaseRepresentation
bin111001010010…
…0010011110000
32002111211201101
41302210103300
530142030021
62551414144
7513164110
oct162442360
962454641
1030033136
1115a53381
12a084354
1362b70b3
143dbb040
152983a91
hex1ca44f0

30033136 has 20 divisors (see below), whose sum is σ = 66502192. Its totient is φ = 12871296.

The previous prime is 30033131. The next prime is 30033151. The reversal of 30033136 is 63133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033131) 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, 133965 + ... + 134188.

Almost surely, 230033136 is an apocalyptic number.

It is an amenable number.

30033136 is an abundant number, since it is smaller than the sum of its proper divisors (36469056).

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

30033136 is a wasteful number, since it uses less digits than its factorization.

30033136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268168 (or 268162 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 30033136 is about 5480.2496293508. The cubic root of 30033136 is about 310.8376098971.

Adding to 30033136 its reverse (63133003), we get a palindrome (93166139).

The spelling of 30033136 in words is "thirty million, thirty-three thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 268153 536306 1072612 1877071 2145224 3754142 4290448 7508284 15016568 30033136