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BaseRepresentation
bin1010000001000011111
3121200020102
41100020133
541000343
611011315
72534630
oct1201037
9550212
10328223
11204665
12139b3b
13b651c
1487887
15673b8
hex5021f

328223 has 4 divisors (see below), whose sum is σ = 375120. Its totient is φ = 281328.

The previous prime is 328213. The next prime is 328243. The reversal of 328223 is 322823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322823 = 536091.

It is a cyclic number.

It is not a de Polignac number, because 328223 - 28 = 327967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328195 and 328204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23438 + ... + 23451.

It is an arithmetic number, because the mean of its divisors is an integer number (93780).

2328223 is an apocalyptic number.

328223 is a deficient number, since it is larger than the sum of its proper divisors (46897).

328223 is an equidigital number, since it uses as much as digits as its factorization.

328223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46896.

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

The square root of 328223 is about 572.9074968963. The cubic root of 328223 is about 68.9799703818.

The spelling of 328223 in words is "three hundred twenty-eight thousand, two hundred twenty-three".

Divisors: 1 7 46889 328223