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30528368 = 2413317463
BaseRepresentation
bin111010001110…
…1001101110000
32010110000001022
41310131031300
530303401433
63010155012
7520325663
oct164351560
963400038
1030528368
1116261462
12a282a68
13642b630
1440a96da
152a30698
hex1d1d370

30528368 has 40 divisors (see below), whose sum is σ = 64037568. Its totient is φ = 14015232.

The previous prime is 30528353. The next prime is 30528373. The reversal of 30528368 is 86382503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65705 + ... + 66167.

Almost surely, 230528368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30528368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32018784).

30528368 is an abundant number, since it is smaller than the sum of its proper divisors (33509200).

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

30528368 is a wasteful number, since it uses less digits than its factorization.

30528368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 30528368 is about 5525.2482297178. The cubic root of 30528368 is about 312.5368251003.

The spelling of 30528368 in words is "thirty million, five hundred twenty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 317 463 634 926 1268 1852 2536 3704 4121 5072 6019 7408 8242 12038 16484 24076 32968 48152 65936 96304 146771 293542 587084 1174168 1908023 2348336 3816046 7632092 15264184 30528368