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1344260 = 22567213
BaseRepresentation
bin101001000001100000100
32112021222102
411020030010
5321004020
644451232
714266061
oct5101404
92467872
101344260
11838a65
12549b18
13380b28
1426dc68
151b8475
hex148304

1344260 has 12 divisors (see below), whose sum is σ = 2822988. Its totient is φ = 537696.

The previous prime is 1344227. The next prime is 1344271. The reversal of 1344260 is 624431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 732736 = 782^2 + 856^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 67213 = 1344260 / (1 + 3 + 4 + 4 + 2 + 6 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33587 + ... + 33626.

It is an arithmetic number, because the mean of its divisors is an integer number (235249).

21344260 is an apocalyptic number.

1344260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344260 is an abundant number, since it is smaller than the sum of its proper divisors (1478728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344260 is a wasteful number, since it uses less digits than its factorization.

1344260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67222 (or 67220 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1344260 is about 1159.4222699258. The cubic root of 1344260 is about 110.3640828691.

Adding to 1344260 its reverse (624431), we get a palindrome (1968691).

The spelling of 1344260 in words is "one million, three hundred forty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 67213 134426 268852 336065 672130 1344260