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327028391 = 5313074721
BaseRepresentation
bin10011011111100…
…000111010100111
3211210100202121122
4103133200322213
51132204402031
652241204155
711050460354
oct2337407247
9753322548
10327028391
111586652a8
129163065b
13529a2331
143160b62b
151da9c47b
hex137e0ea7

327028391 has 8 divisors (see below), whose sum is σ = 333524304. Its totient is φ = 320544640.

The previous prime is 327028379. The next prime is 327028409. The reversal of 327028391 is 193820723.

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-327028391 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 (327027391) 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, 66911 + ... + 71631.

It is an arithmetic number, because the mean of its divisors is an integer number (41690538).

Almost surely, 2327028391 is an apocalyptic number.

327028391 is a deficient number, since it is larger than the sum of its proper divisors (6495913).

327028391 is a wasteful number, since it uses less digits than its factorization.

327028391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 327028391 is about 18083.9263159304. The cubic root of 327028391 is about 688.9618154567.

The spelling of 327028391 in words is "three hundred twenty-seven million, twenty-eight thousand, three hundred ninety-one".

Divisors: 1 53 1307 4721 69271 250213 6170347 327028391