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328916 = 22717691
BaseRepresentation
bin1010000010011010100
3121201012002
41100103110
541011131
611014432
72536640
oct1202324
9551162
10328916
11205135
1213a418
13b6933
1487c20
15676cb
hex504d4

328916 has 24 divisors (see below), whose sum is σ = 697536. Its totient is φ = 132480.

The previous prime is 328901. The next prime is 328919. The reversal of 328916 is 619823.

328916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328919) by changing a digit.

328916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (29064).

2328916 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 328916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348768).

328916 is an abundant number, since it is smaller than the sum of its proper divisors (368620).

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

328916 is a wasteful number, since it uses less digits than its factorization.

328916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 717 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 328916 is about 573.5119876690. The cubic root of 328916 is about 69.0284836543.

The spelling of 328916 in words is "three hundred twenty-eight thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 691 1382 2764 4837 9674 11747 19348 23494 46988 82229 164458 328916