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344121311 = 1492818219
BaseRepresentation
bin10100100000101…
…101111111011111
3212222112011200202
4110200231333133
51201043340221
654051414115
711345661062
oct2440557737
9788464622
10344121311
1116727a486
12972b433b
13563a84a1
14339ba8d9
1520326d0b
hex1482dfdf

344121311 has 8 divisors (see below), whose sum is σ = 347706000. Its totient is φ = 340553920.

The previous prime is 344121269. The next prime is 344121317. The reversal of 344121311 is 113121443.

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

It is a cyclic number.

It is not a de Polignac number, because 344121311 - 26 = 344121247 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 (344121317) 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, 37760 + ... + 45978.

It is an arithmetic number, because the mean of its divisors is an integer number (43463250).

Almost surely, 2344121311 is an apocalyptic number.

344121311 is a deficient number, since it is larger than the sum of its proper divisors (3584689).

344121311 is a wasteful number, since it uses less digits than its factorization.

344121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649.

The product of its digits is 288, while the sum is 20.

The square root of 344121311 is about 18550.5070281111. The cubic root of 344121311 is about 700.7619668784.

Adding to 344121311 its reverse (113121443), we get a palindrome (457242754).

The spelling of 344121311 in words is "three hundred forty-four million, one hundred twenty-one thousand, three hundred eleven".

Divisors: 1 149 281 8219 41869 1224631 2309539 344121311