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328888 = 2372839
BaseRepresentation
bin1010000010010111000
3121201011001
41100102320
541011023
611014344
72536600
oct1202270
9551131
10328888
1120510a
1213a3b4
13b6911
1487c00
15676ad
hex504b8

328888 has 24 divisors (see below), whose sum is σ = 718200. Its totient is φ = 140784.

The previous prime is 328883. The next prime is 328891. The reversal of 328888 is 888823.

328888 is a modest number, since divided by 888 gives 328 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328883) by changing a digit.

328888 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 5 ways as a sum of consecutive naturals, for example, 28 + ... + 811.

It is an arithmetic number, because the mean of its divisors is an integer number (29925).

2328888 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 328888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359100).

328888 is an abundant number, since it is smaller than the sum of its proper divisors (389312).

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

328888 is a wasteful number, since it uses less digits than its factorization.

328888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 848 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 328888 is about 573.4875761514. The cubic root of 328888 is about 69.0265248437.

It can be divided in two parts, 32888 and 8, that added together give a triangular number (32896 = T256).

The spelling of 328888 in words is "three hundred twenty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 839 1678 3356 5873 6712 11746 23492 41111 46984 82222 164444 328888