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1344909 = 3448303
BaseRepresentation
bin101001000010110001101
32112022212110
411020112031
5321014114
644454233
714301006
oct5102615
92468773
101344909
118394a5
1254a379
13381207
142701ad
151b8759
hex14858d

1344909 has 4 divisors (see below), whose sum is σ = 1793216. Its totient is φ = 896604.

The previous prime is 1344907. The next prime is 1344943. The reversal of 1344909 is 9094431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1344909 - 21 = 1344907 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344901) 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, 224149 + ... + 224154.

It is an arithmetic number, because the mean of its divisors is an integer number (448304).

21344909 is an apocalyptic number.

It is an amenable number.

1344909 is a deficient number, since it is larger than the sum of its proper divisors (448307).

1344909 is an equidigital number, since it uses as much as digits as its factorization.

1344909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448306.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1344909 is about 1159.7021169249. The cubic root of 1344909 is about 110.3818410324.

The spelling of 1344909 in words is "one million, three hundred forty-four thousand, nine hundred nine".

Divisors: 1 3 448303 1344909