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30043328 = 26767061
BaseRepresentation
bin111001010011…
…0110011000000
32002112100200212
41302212303000
530142341303
62551533252
7513235610
oct162466300
962470625
1030043328
1115a5aaa7
12a08a228
1362bb923
143dc0a40
152986ad8
hex1ca6cc0

30043328 has 28 divisors (see below), whose sum is σ = 68134992. Its totient is φ = 12875520.

The previous prime is 30043303. The next prime is 30043339. The reversal of 30043328 is 82334003.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

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, 33083 + ... + 33978.

Almost surely, 230043328 is an apocalyptic number.

It is an amenable number.

30043328 is an abundant number, since it is smaller than the sum of its proper divisors (38091664).

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

30043328 is an equidigital number, since it uses as much as digits as its factorization.

30043328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67080 (or 67070 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 30043328 is about 5481.1794351216. The cubic root of 30043328 is about 310.8727677154.

The spelling of 30043328 in words is "thirty million, forty-three thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 67061 134122 268244 469427 536488 938854 1072976 1877708 2145952 3755416 4291904 7510832 15021664 30043328