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344401441 = 1229280229
BaseRepresentation
bin10100100001110…
…010011000100001
3220000001101221221
4110201302120201
51201131321231
654101415041
711351235556
oct2441623041
9800041857
10344401441
1116745099a
129740a481
1356475b47
1433a50a2d
152037ed11
hex14872621

344401441 has 4 divisors (see below), whose sum is σ = 344682900. Its totient is φ = 344119984.

The previous prime is 344401433. The next prime is 344401451. The reversal of 344401441 is 144104443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 336539025 + 7862416 = 18345^2 + 2804^2 .

It is a cyclic number.

It is not a de Polignac number, because 344401441 - 23 = 344401433 is a prime.

It is a super-2 number, since 2×3444014412 = 237224705125752962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344401451) 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, 138886 + ... + 141343.

It is an arithmetic number, because the mean of its divisors is an integer number (86170725).

Almost surely, 2344401441 is an apocalyptic number.

It is an amenable number.

344401441 is a deficient number, since it is larger than the sum of its proper divisors (281459).

344401441 is a wasteful number, since it uses less digits than its factorization.

344401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281458.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 344401441 is about 18558.0559596096. The cubic root of 344401441 is about 700.9520657386.

Adding to 344401441 its reverse (144104443), we get a palindrome (488505884).

The spelling of 344401441 in words is "three hundred forty-four million, four hundred one thousand, four hundred forty-one".

Divisors: 1 1229 280229 344401441