Search a number
-
+
1408431907 is a prime number
BaseRepresentation
bin101001111110010…
…1111011100100011
310122011012202100201
41103330233130203
510341024310112
6351431330031
746621321321
oct12374573443
93564182321
101408431907
11663028813
12333820917
13195a4167c
14d50a8d11
15839ad257
hex53f2f723

1408431907 has 2 divisors, whose sum is σ = 1408431908. Its totient is φ = 1408431906.

The previous prime is 1408431889. The next prime is 1408431917. The reversal of 1408431907 is 7091348041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1408431907 - 211 = 1408429859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1408431917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704215953 + 704215954.

It is an arithmetic number, because the mean of its divisors is an integer number (704215954).

Almost surely, 21408431907 is an apocalyptic number.

1408431907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408431907 is an equidigital number, since it uses as much as digits as its factorization.

1408431907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1408431907 is about 37529.0808174141. The cubic root of 1408431907 is about 1120.9303247504.

Adding to 1408431907 its reverse (7091348041), we get a palindrome (8499779948).

The spelling of 1408431907 in words is "one billion, four hundred eight million, four hundred thirty-one thousand, nine hundred seven".