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328248287 = 8910734469
BaseRepresentation
bin10011100100001…
…010101111011111
3211212122201222222
4103210022233133
51133012421122
652323255555
711064031043
oct2344125737
9755581888
10328248287
11159318884
1291b1a5bb
135300b673
1431848023
151dc3db42
hex1390abdf

328248287 has 8 divisors (see below), whose sum is σ = 335048400. Its totient is φ = 321517504.

The previous prime is 328248251. The next prime is 328248289. The reversal of 328248287 is 782842823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-328248287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328248289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7712 + ... + 26757.

It is an arithmetic number, because the mean of its divisors is an integer number (41881050).

Almost surely, 2328248287 is an apocalyptic number.

328248287 is a deficient number, since it is larger than the sum of its proper divisors (6800113).

328248287 is a wasteful number, since it uses less digits than its factorization.

328248287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34665.

The product of its digits is 344064, while the sum is 44.

The square root of 328248287 is about 18117.6236576434. The cubic root of 328248287 is about 689.8174179095.

The spelling of 328248287 in words is "three hundred twenty-eight million, two hundred forty-eight thousand, two hundred eighty-seven".

Divisors: 1 89 107 9523 34469 3067741 3688183 328248287