Base | Representation |
---|---|
bin | 1010000010010101110 |
3 | 121201010200 |
4 | 1100102232 |
5 | 41011003 |
6 | 11014330 |
7 | 2536554 |
oct | 1202256 |
9 | 551120 |
10 | 328878 |
11 | 205100 |
12 | 13a3a6 |
13 | b6904 |
14 | 87bd4 |
15 | 676a3 |
hex | 504ae |
328878 has 36 divisors (see below), whose sum is σ = 788424. Its totient is φ = 99000.
The previous prime is 328849. The next prime is 328883. The reversal of 328878 is 878823.
It is a congruent number.
It is an unprimeable number.
328878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2103 + ... + 2253.
2328878 is an apocalyptic number.
328878 is the 363-rd heptagonal number.
It is a practical number, because each smaller number is the sum of distinct divisors of 328878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394212).
328878 is an abundant number, since it is smaller than the sum of its proper divisors (459546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
328878 is a wasteful number, since it uses less digits than its factorization.
328878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181 (or 167 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 328878 is about 573.4788575004. The cubic root of 328878 is about 69.0258252416.
Subtracting 328878 from its reverse (878823), we obtain a palindrome (549945).
The spelling of 328878 in words is "three hundred twenty-eight thousand, eight hundred seventy-eight".
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