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320348 = 22717673
BaseRepresentation
bin1001110001101011100
3121021102202
41032031130
540222343
610511032
72502650
oct1161534
9537382
10320348
111a9756
12135478
13b2a72
1484a60
1564db8
hex4e35c

320348 has 24 divisors (see below), whose sum is σ = 679392. Its totient is φ = 129024.

The previous prime is 320339. The next prime is 320377. The reversal of 320348 is 843023.

It is a super-2 number, since 2×3203482 = 205245682208, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320348.

It is an unprimeable number.

320348 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 7 ways as a sum of consecutive naturals, for example, 140 + ... + 812.

It is an arithmetic number, because the mean of its divisors is an integer number (28308).

2320348 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 320348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339696).

320348 is an abundant number, since it is smaller than the sum of its proper divisors (359044).

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

320348 is a wasteful number, since it uses less digits than its factorization.

320348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 320348 is about 565.9929328181. The cubic root of 320348 is about 68.4238235357.

The spelling of 320348 in words is "three hundred twenty thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 673 1346 2692 4711 9422 11441 18844 22882 45764 80087 160174 320348