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308328 = 23329443
BaseRepresentation
bin1001011010001101000
3120122221120
41023101220
534331303
610335240
72422626
oct1132150
9518846
10308328
111a0719
1212a520
13aa457
1480516
1561553
hex4b468

308328 has 32 divisors (see below), whose sum is σ = 799200. Its totient is φ = 99008.

The previous prime is 308327. The next prime is 308333. The reversal of 308328 is 823803.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 308298 and 308307.

It is not an unprimeable number, because it can be changed into a prime (308323) 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, 475 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (24975).

2308328 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 308328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399600).

308328 is an abundant number, since it is smaller than the sum of its proper divisors (490872).

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

308328 is a wasteful number, since it uses less digits than its factorization.

308328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 308328 is about 555.2729058760. The cubic root of 308328 is about 67.5570984630.

It can be divided in two parts, 308 and 328, that added together give a palindrome (636).

The spelling of 308328 in words is "three hundred eight thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 443 696 886 1329 1772 2658 3544 5316 10632 12847 25694 38541 51388 77082 102776 154164 308328