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BaseRepresentation
bin1000111100101100111
3112220020010
41013211213
533340343
610141303
72330610
oct1074547
9486203
10293223
11190337
12121833
13a3608
1478c07
155bd33
hex47967

293223 has 8 divisors (see below), whose sum is σ = 446848. Its totient is φ = 167544.

The previous prime is 293221. The next prime is 293257. The reversal of 293223 is 322392.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 293223 - 21 = 293221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 13963 = 293223 / (2 + 9 + 3 + 2 + 2 + 3).

It is the 542-nd Hogben number.

It is a Duffinian number.

293223 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 293223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (293221) by changing a digit.

It is a nontrivial repunit in base 541.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6961 + ... + 7002.

It is an arithmetic number, because the mean of its divisors is an integer number (55856).

2293223 is an apocalyptic number.

293223 is a deficient number, since it is larger than the sum of its proper divisors (153625).

293223 is a wasteful number, since it uses less digits than its factorization.

293223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973.

The product of its digits is 648, while the sum is 21.

The square root of 293223 is about 541.5006925203. The cubic root of 293223 is about 66.4353678856.

The spelling of 293223 in words is "two hundred ninety-three thousand, two hundred twenty-three".

Divisors: 1 3 7 21 13963 41889 97741 293223