Search a number
-
+
1404450451 is a prime number
BaseRepresentation
bin101001110110110…
…0011011010010011
310121212201110211101
41103231203122103
510334014403301
6351210125231
746542426505
oct12355433223
93555643741
101404450451
11660859458
12332420817
13194c79391
14d474dd75
1583473701
hex53b63693

1404450451 has 2 divisors, whose sum is σ = 1404450452. Its totient is φ = 1404450450.

The previous prime is 1404450433. The next prime is 1404450457. The reversal of 1404450451 is 1540544041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1404450451 - 215 = 1404417683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1404450457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702225225 + 702225226.

It is an arithmetic number, because the mean of its divisors is an integer number (702225226).

Almost surely, 21404450451 is an apocalyptic number.

1404450451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404450451 is an equidigital number, since it uses as much as digits as its factorization.

1404450451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1404450451 is about 37475.9983322659. The cubic root of 1404450451 is about 1119.8730859061.

Adding to 1404450451 its reverse (1540544041), we get a palindrome (2944994492).

The spelling of 1404450451 in words is "one billion, four hundred four million, four hundred fifty thousand, four hundred fifty-one".