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344113405 = 5174048393
BaseRepresentation
bin10100100000101…
…100000011111101
3212222111202211221
4110200230003331
51201043112110
654051313341
711345626036
oct2440540375
9788452757
10344113405
11167274549
12972ab851
13563a49cc
14339b7a8d
15203247da
hex1482c0fd

344113405 has 8 divisors (see below), whose sum is σ = 437226552. Its totient is φ = 259097088.

The previous prime is 344113381. The next prime is 344113409. The reversal of 344113405 is 504311443.

It can be written as a sum of positive squares in 4 ways, for example, as 98188281 + 245925124 = 9909^2 + 15682^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 344113405 - 27 = 344113277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344113405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344113409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024112 + ... + 2024281.

It is an arithmetic number, because the mean of its divisors is an integer number (54653319).

Almost surely, 2344113405 is an apocalyptic number.

It is an amenable number.

344113405 is a deficient number, since it is larger than the sum of its proper divisors (93113147).

344113405 is a wasteful number, since it uses less digits than its factorization.

344113405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048415.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 344113405 is about 18550.2939329812. The cubic root of 344113405 is about 700.7566002956.

Adding to 344113405 its reverse (504311443), we get a palindrome (848424848).

The spelling of 344113405 in words is "three hundred forty-four million, one hundred thirteen thousand, four hundred five".

Divisors: 1 5 17 85 4048393 20241965 68822681 344113405