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30843328 = 26587821
BaseRepresentation
bin111010110101…
…0000111000000
32011001000002111
41311222013000
530343441303
63021025104
7523110145
oct165520700
964030074
1030843328
111645705a
12a3b5194
13650bab9
14414c3cc
152a93b6d
hex1d6a1c0

30843328 has 28 divisors (see below), whose sum is σ = 61383672. Its totient is φ = 15376640.

The previous prime is 30843301. The next prime is 30843331. The reversal of 30843328 is 82334803.

It is a self number, because there is not a number n which added to its sum of digits gives 30843328.

It is a congruent number.

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, 37158 + ... + 37978.

It is an arithmetic number, because the mean of its divisors is an integer number (2192274).

Almost surely, 230843328 is an apocalyptic number.

It is an amenable number.

30843328 is a deficient number, since it is larger than the sum of its proper divisors (30540344).

30843328 is an equidigital number, since it uses as much as digits as its factorization.

30843328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 30843328 is about 5553.6769801637. The cubic root of 30843328 is about 313.6079600229.

The spelling of 30843328 in words is "thirty million, eight hundred forty-three thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 587 821 1174 1642 2348 3284 4696 6568 9392 13136 18784 26272 37568 52544 481927 963854 1927708 3855416 7710832 15421664 30843328