Search a number
-
+
344124421 = 1722379049
BaseRepresentation
bin10100100000101…
…110110000000101
3212222112022221221
4110200232300011
51201043440141
654051440341
711346003124
oct2440566005
9788468857
10344124421
11167281853
12972b60b1
13563a9a24
14339bbabb
1520327bd1
hex1482ec05

344124421 has 8 divisors (see below), whose sum is σ = 364570200. Its totient is φ = 323701248.

The previous prime is 344124379. The next prime is 344124449. The reversal of 344124421 is 124421443.

It can be written as a sum of positive squares in 4 ways, for example, as 204175521 + 139948900 = 14289^2 + 11830^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344124421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344124721) 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 7 ways as a sum of consecutive naturals, for example, 33505 + ... + 42553.

It is an arithmetic number, because the mean of its divisors is an integer number (45571275).

Almost surely, 2344124421 is an apocalyptic number.

It is an amenable number.

344124421 is a deficient number, since it is larger than the sum of its proper divisors (20445779).

344124421 is a wasteful number, since it uses less digits than its factorization.

344124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303.

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

The square root of 344124421 is about 18550.5908531238. The cubic root of 344124421 is about 700.7640779199.

Adding to 344124421 its reverse (124421443), we get a palindrome (468545864).

It can be divided in two parts, 344 and 124421, that multiplied together give a palindrome (42800824).

The spelling of 344124421 in words is "three hundred forty-four million, one hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 17 2237 9049 38029 153833 20242613 344124421