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300231223 = 823364801
BaseRepresentation
bin10001111001010…
…010101000110111
3202220221022210221
4101321102220313
51103324344343
645442555211
710303631455
oct2171225067
9686838727
10300231223
11144522186
1284668b07
134a27c116
142bc339d5
151b5575ed
hex11e52a37

300231223 has 4 divisors (see below), whose sum is σ = 300596848. Its totient is φ = 299865600.

The previous prime is 300231149. The next prime is 300231227. The reversal of 300231223 is 322132003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322132003 = 490365701.

It is a cyclic number.

It is not a de Polignac number, because 300231223 - 225 = 266676791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300231197 and 300231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300231227) 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, 181578 + ... + 183223.

It is an arithmetic number, because the mean of its divisors is an integer number (75149212).

Almost surely, 2300231223 is an apocalyptic number.

300231223 is a deficient number, since it is larger than the sum of its proper divisors (365625).

300231223 is an equidigital number, since it uses as much as digits as its factorization.

300231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365624.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 300231223 is about 17327.1816231030. The cubic root of 300231223 is about 669.6048929096.

Adding to 300231223 its reverse (322132003), we get a palindrome (622363226).

It can be divided in two parts, 3002 and 31223, that added together give a square (34225 = 1852).

The spelling of 300231223 in words is "three hundred million, two hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 823 364801 300231223