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344444311 = 387788843
BaseRepresentation
bin10100100001111…
…100110110010111
3220000010120202201
4110201330312113
51201134204221
654102345331
711351504551
oct2441746627
9800116681
10344444311
11167480122
129742b247
135648c503
1433a624d1
152038c891
hex1487cd97

344444311 has 4 divisors (see below), whose sum is σ = 344537032. Its totient is φ = 344351592.

The previous prime is 344444299. The next prime is 344444323. The reversal of 344444311 is 113444443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113444443 = 716206349.

It is an interprime number because it is at equal distance from previous prime (344444299) and next prime (344444323).

It is a cyclic number.

It is not a de Polignac number, because 344444311 - 217 = 344313239 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 344444311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344444351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40545 + ... + 48298.

It is an arithmetic number, because the mean of its divisors is an integer number (86134258).

Almost surely, 2344444311 is an apocalyptic number.

344444311 is a deficient number, since it is larger than the sum of its proper divisors (92721).

344444311 is an equidigital number, since it uses as much as digits as its factorization.

344444311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92720.

The product of its digits is 9216, while the sum is 28.

The square root of 344444311 is about 18559.2109476669. The cubic root of 344444311 is about 700.9811486292.

Adding to 344444311 its reverse (113444443), we get a palindrome (457888754).

It can be divided in two parts, 3444443 and 11, that multiplied together give a palindrome (37888873).

The spelling of 344444311 in words is "three hundred forty-four million, four hundred forty-four thousand, three hundred eleven".

Divisors: 1 3877 88843 344444311