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344240323 = 749177189
BaseRepresentation
bin10100100001001…
…011000011000011
3212222202012221121
4110201023003003
51201111142243
654054133111
711346665050
oct2441130303
9788665847
10344240323
11167350939
1297351197
135641a6cb
1433a0c027
152034c1ed
hex1484b0c3

344240323 has 4 divisors (see below), whose sum is σ = 393417520. Its totient is φ = 295063128.

The previous prime is 344240297. The next prime is 344240329. The reversal of 344240323 is 323042443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323042443 = 674821529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344240323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344240329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24588588 + ... + 24588601.

It is an arithmetic number, because the mean of its divisors is an integer number (98354380).

Almost surely, 2344240323 is an apocalyptic number.

344240323 is a deficient number, since it is larger than the sum of its proper divisors (49177197).

344240323 is an equidigital number, since it uses as much as digits as its factorization.

344240323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49177196.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 344240323 is about 18553.7145337531. The cubic root of 344240323 is about 700.8427421438.

Adding to 344240323 its reverse (323042443), we get a palindrome (667282766).

The spelling of 344240323 in words is "three hundred forty-four million, two hundred forty thousand, three hundred twenty-three".

Divisors: 1 7 49177189 344240323