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1344309 = 31743613
BaseRepresentation
bin101001000001100110101
32112022001020
411020030311
5321004214
644451353
714266161
oct5101465
92468036
101344309
11838aaa
12549b59
13380b65
1426dca1
151b84a9
hex148335

1344309 has 16 divisors (see below), whose sum is σ = 1945152. Its totient is φ = 822528.

The previous prime is 1344283. The next prime is 1344311. The reversal of 1344309 is 9034431.

It is not a de Polignac number, because 1344309 - 27 = 1344181 is a prime.

1344309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (121572).

21344309 is an apocalyptic number.

It is an amenable number.

1344309 is a deficient number, since it is larger than the sum of its proper divisors (600843).

1344309 is a wasteful number, since it uses less digits than its factorization.

1344309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1344309 is about 1159.4434009472. The cubic root of 1344309 is about 110.3654238236.

It can be divided in two parts, 1344 and 309, that added together give a triangular number (1653 = T57).

The spelling of 1344309 in words is "one million, three hundred forty-four thousand, three hundred nine".

Divisors: 1 3 17 43 51 129 613 731 1839 2193 10421 26359 31263 79077 448103 1344309