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393223 = 675869
BaseRepresentation
bin1100000000000000111
3201222101211
41200000013
5100040343
612232251
73225265
oct1400007
9658354
10393223
11249486
1216b687
13109c9c
14a3435
157b79d
hex60007

393223 has 4 divisors (see below), whose sum is σ = 399160. Its totient is φ = 387288.

The previous prime is 393209. The next prime is 393241. The reversal of 393223 is 322393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322393 = 2911117.

It is a cyclic number.

It is not a de Polignac number, because 393223 - 25 = 393191 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 393194 and 393203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2868 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (99790).

2393223 is an apocalyptic number.

393223 is a deficient number, since it is larger than the sum of its proper divisors (5937).

393223 is an equidigital number, since it uses as much as digits as its factorization.

393223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936.

The product of its digits is 972, while the sum is 22.

The square root of 393223 is about 627.0749556472. The cubic root of 393223 is about 73.2621462539.

It can be divided in two parts, 393 and 223, that added together give a palindrome (616).

The spelling of 393223 in words is "three hundred ninety-three thousand, two hundred twenty-three".

Divisors: 1 67 5869 393223