Search a number
-
+
344422453 = 353975701
BaseRepresentation
bin10100100001110…
…111100000110101
3220000002110210011
4110201313200311
51201133004303
654102100221
711351354044
oct2441674065
9800073704
10344422453
11167465761
129741a671
135648258b
1433a5855b
152038616d
hex14877835

344422453 has 4 divisors (see below), whose sum is σ = 345398508. Its totient is φ = 343446400.

The previous prime is 344422417. The next prime is 344422457. The reversal of 344422453 is 354224443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354224443 = 2631346861.

It can be written as a sum of positive squares in 2 ways, for example, as 260919409 + 83503044 = 16153^2 + 9138^2 .

It is a cyclic number.

It is not a de Polignac number, because 344422453 - 221 = 342325301 is a prime.

It is a super-2 number, since 2×3444224532 = 237253652261074418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344422457) 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, 487498 + ... + 488203.

It is an arithmetic number, because the mean of its divisors is an integer number (86349627).

Almost surely, 2344422453 is an apocalyptic number.

It is an amenable number.

344422453 is a deficient number, since it is larger than the sum of its proper divisors (976055).

344422453 is an equidigital number, since it uses as much as digits as its factorization.

344422453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976054.

The product of its digits is 46080, while the sum is 31.

The square root of 344422453 is about 18558.6220663065. The cubic root of 344422453 is about 700.9663205234.

Adding to 344422453 its reverse (354224443), we get a palindrome (698646896).

The spelling of 344422453 in words is "three hundred forty-four million, four hundred twenty-two thousand, four hundred fifty-three".

Divisors: 1 353 975701 344422453