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328819109 = 23111712799
BaseRepresentation
bin10011100110010…
…110000110100101
3211220201202000112
4103212112012211
51133134202414
652343422405
711101626203
oct2346260645
9756652015
10328819109
11159678733
1292154a05
135317b428
1431956073
151dd02d3e
hex139961a5

328819109 has 8 divisors (see below), whose sum is σ = 343449600. Its totient is φ = 314216496.

The previous prime is 328819079. The next prime is 328819123. The reversal of 328819109 is 901918823.

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

It is a cyclic number.

It is not a de Polignac number, because 328819109 - 216 = 328753573 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 (328819199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19292 + ... + 32090.

It is an arithmetic number, because the mean of its divisors is an integer number (42931200).

Almost surely, 2328819109 is an apocalyptic number.

It is an amenable number.

328819109 is a deficient number, since it is larger than the sum of its proper divisors (14630491).

328819109 is a wasteful number, since it uses less digits than its factorization.

328819109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13939.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 328819109 is about 18133.3700397913. The cubic root of 328819109 is about 690.2170492693.

The spelling of 328819109 in words is "three hundred twenty-eight million, eight hundred nineteen thousand, one hundred nine".

Divisors: 1 23 1117 12799 25691 294377 14296483 328819109