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344401443 = 3312755609
BaseRepresentation
bin10100100001110…
…010011000100011
3220000001101222000
4110201302120203
51201131321233
654101415043
711351235561
oct2441623043
9800041860
10344401443
111674509a1
129740a483
1356475b49
1433a50a31
152037ed13
hex14872623

344401443 has 8 divisors (see below), whose sum is σ = 510224400. Its totient is φ = 229600944.

The previous prime is 344401433. The next prime is 344401451. The reversal of 344401443 is 344104443.

It is not a de Polignac number, because 344401443 - 24 = 344401427 is a prime.

It is a super-2 number, since 2×3444014432 = 237224707880964498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12755609 = 344401443 / (3 + 4 + 4 + 4 + 0 + 1 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (344401403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6377778 + ... + 6377831.

It is an arithmetic number, because the mean of its divisors is an integer number (63778050).

Almost surely, 2344401443 is an apocalyptic number.

344401443 is a deficient number, since it is larger than the sum of its proper divisors (165822957).

344401443 is a wasteful number, since it uses less digits than its factorization.

344401443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755618 (or 12755612 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 344401443 is about 18558.0560134945. The cubic root of 344401443 is about 700.9520670955.

Adding to 344401443 its reverse (344104443), we get a palindrome (688505886).

The spelling of 344401443 in words is "three hundred forty-four million, four hundred one thousand, four hundred forty-three".

Divisors: 1 3 9 27 12755609 38266827 114800481 344401443