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320268 = 223132053
BaseRepresentation
bin1001110001100001100
3121021022210
41032030030
540222033
610510420
72502504
oct1161414
9537283
10320268
111a9693
12135410
13b2a10
1484a04
1564d63
hex4e30c

320268 has 24 divisors (see below), whose sum is σ = 805168. Its totient is φ = 98496.

The previous prime is 320267. The next prime is 320269. The reversal of 320268 is 862023.

It is an interprime number because it is at equal distance from previous prime (320267) and next prime (320269).

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (320267) 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, 871 + ... + 1182.

2320268 is an apocalyptic number.

It is an amenable number.

320268 is an abundant number, since it is smaller than the sum of its proper divisors (484900).

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

320268 is a wasteful number, since it uses less digits than its factorization.

320268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 320268 is about 565.9222561448. The cubic root of 320268 is about 68.4181272703.

The spelling of 320268 in words is "three hundred twenty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2053 4106 6159 8212 12318 24636 26689 53378 80067 106756 160134 320268