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344393347 = 523165837
BaseRepresentation
bin10100100001110…
…000011010000011
3220000000222212011
4110201300122003
51201131041342
654101313351
711351203144
oct2441603203
9800028764
10344393347
11167445901
1297405857
135647225c
1433a4bacb
152037c717
hex14870683

344393347 has 4 divisors (see below), whose sum is σ = 344464416. Its totient is φ = 344322280.

The previous prime is 344393323. The next prime is 344393369. The reversal of 344393347 is 743393443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743393443 = 1357184111.

It is a cyclic number.

It is not a de Polignac number, because 344393347 - 27 = 344393219 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344393047) 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, 27688 + ... + 38149.

It is an arithmetic number, because the mean of its divisors is an integer number (86116104).

Almost surely, 2344393347 is an apocalyptic number.

344393347 is a deficient number, since it is larger than the sum of its proper divisors (71069).

344393347 is an equidigital number, since it uses as much as digits as its factorization.

344393347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71068.

The product of its digits is 326592, while the sum is 40.

The square root of 344393347 is about 18557.8378859176. The cubic root of 344393347 is about 700.9465745203.

The spelling of 344393347 in words is "three hundred forty-four million, three hundred ninety-three thousand, three hundred forty-seven".

Divisors: 1 5231 65837 344393347