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344439 = 3312757
BaseRepresentation
bin1010100000101110111
3122111111000
41110011313
542010224
611214343
72633124
oct1240567
9574430
10344439
11215867
121473b3
13c0a14
148d74b
156c0c9
hex54177

344439 has 8 divisors (see below), whose sum is σ = 510320. Its totient is φ = 229608.

The previous prime is 344429. The next prime is 344453. The reversal of 344439 is 934443.

It is not a de Polignac number, because 344439 - 24 = 344423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12757 = 344439 / (3 + 4 + 4 + 4 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344429) 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, 6352 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (63790).

2344439 is an apocalyptic number.

344439 is a deficient number, since it is larger than the sum of its proper divisors (165881).

344439 is a wasteful number, since it uses less digits than its factorization.

344439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766 (or 12760 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 344439 is about 586.8892570153. The cubic root of 344439 is about 70.0977545792.

The spelling of 344439 in words is "three hundred forty-four thousand, four hundred thirty-nine".

Divisors: 1 3 9 27 12757 38271 114813 344439