Search a number
-
+
1428585553 is a prime number
BaseRepresentation
bin101010100100110…
…0111110001010001
310200120010122222001
41111021213301101
510411204214203
6353431314001
750254530313
oct12511476121
93616118861
101428585553
1167344351a
1233a51b901
13199c799c5
14d7a337b3
158563e91d
hex55267c51

1428585553 has 2 divisors, whose sum is σ = 1428585554. Its totient is φ = 1428585552.

The previous prime is 1428585451. The next prime is 1428585593. The reversal of 1428585553 is 3555858241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301189184 + 127396369 = 36072^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428585553 - 229 = 891714641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1428585593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714292776 + 714292777.

It is an arithmetic number, because the mean of its divisors is an integer number (714292777).

Almost surely, 21428585553 is an apocalyptic number.

It is an amenable number.

1428585553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428585553 is an equidigital number, since it uses as much as digits as its factorization.

1428585553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960000, while the sum is 46.

The square root of 1428585553 is about 37796.6341490879. The cubic root of 1428585553 is about 1126.2515922065.

The spelling of 1428585553 in words is "one billion, four hundred twenty-eight million, five hundred eighty-five thousand, five hundred fifty-three".