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1344265 = 51320681
BaseRepresentation
bin101001000001100001001
32112021222121
411020030021
5321004030
644451241
714266066
oct5101411
92467877
101344265
11838a6a
12549b21
13380b30
1426dc6d
151b847a
hex148309

1344265 has 8 divisors (see below), whose sum is σ = 1737288. Its totient is φ = 992640.

The previous prime is 1344227. The next prime is 1344271. The reversal of 1344265 is 5624431.

It can be written as a sum of positive squares in 4 ways, for example, as 17161 + 1327104 = 131^2 + 1152^2 .

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

It is not a de Polignac number, because 1344265 - 219 = 819977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10276 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (217161).

21344265 is an apocalyptic number.

It is an amenable number.

1344265 is a deficient number, since it is larger than the sum of its proper divisors (393023).

1344265 is a wasteful number, since it uses less digits than its factorization.

1344265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20699.

The product of its digits is 2880, while the sum is 25.

The square root of 1344265 is about 1159.4244261702. The cubic root of 1344265 is about 110.3642197027.

Adding to 1344265 its reverse (5624431), we get a palindrome (6968696).

It can be divided in two parts, 134426 and 5, that added together give a palindrome (134431).

The spelling of 1344265 in words is "one million, three hundred forty-four thousand, two hundred sixty-five".

Divisors: 1 5 13 65 20681 103405 268853 1344265