Search a number
-
+
344130223 = 19139130303
BaseRepresentation
bin10100100000110…
…000001010101111
3212222112121220211
4110200300022233
51201044131343
654051523251
711346026053
oct2440601257
9788477824
10344130223
11167286148
12972b9527
13563ac568
14339bdc63
152032979d
hex148302af

344130223 has 8 divisors (see below), whose sum is σ = 364851200. Its totient is φ = 323670168.

The previous prime is 344130221. The next prime is 344130257. The reversal of 344130223 is 322031443.

It is a happy number.

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

It is not a de Polignac number, because 344130223 - 21 = 344130221 is a prime.

It is a super-2 number, since 2×3441302232 = 236851220764059458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344130194 and 344130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344130221) 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, 62511 + ... + 67792.

It is an arithmetic number, because the mean of its divisors is an integer number (45606400).

Almost surely, 2344130223 is an apocalyptic number.

344130223 is a deficient number, since it is larger than the sum of its proper divisors (20720977).

344130223 is a wasteful number, since it uses less digits than its factorization.

344130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130461.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 344130223 is about 18550.7472356237. The cubic root of 344130223 is about 700.7680162342.

Adding to 344130223 its reverse (322031443), we get a palindrome (666161666).

The spelling of 344130223 in words is "three hundred forty-four million, one hundred thirty thousand, two hundred twenty-three".

Divisors: 1 19 139 2641 130303 2475757 18112117 344130223