Search a number
-
+
1344457 is a prime number
BaseRepresentation
bin101001000001111001001
32112022020201
411020033021
5321010312
644452201
714266462
oct5101711
92468221
101344457
11839124
1254a061
13380c4a
1426dd69
151b8557
hex1483c9

1344457 has 2 divisors, whose sum is σ = 1344458. Its totient is φ = 1344456.

The previous prime is 1344407. The next prime is 1344461. The reversal of 1344457 is 7544431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 35721 = 1144^2 + 189^2 .

It is an emirp because it is prime and its reverse (7544431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1344457 - 211 = 1342409 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1344407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672228 + 672229.

It is an arithmetic number, because the mean of its divisors is an integer number (672229).

21344457 is an apocalyptic number.

It is an amenable number.

1344457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344457 is an equidigital number, since it uses as much as digits as its factorization.

1344457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 28.

The square root of 1344457 is about 1159.5072229184. The cubic root of 1344457 is about 110.3694738555.

Adding to 1344457 its reverse (7544431), we get a palindrome (8888888).

The spelling of 1344457 in words is "one million, three hundred forty-four thousand, four hundred fifty-seven".