Search a number
-
+
803280493 is a prime number
BaseRepresentation
bin101111111000010…
…001011001101101
32001222111212200101
4233320101121231
53121114433433
6211413031101
725622525431
oct5770213155
92058455611
10803280493
11382481584
121a5025491
13ca561102
14789809c1
154a7c407d
hex2fe1166d

803280493 has 2 divisors, whose sum is σ = 803280494. Its totient is φ = 803280492.

The previous prime is 803280479. The next prime is 803280503. The reversal of 803280493 is 394082308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431060644 + 372219849 = 20762^2 + 19293^2 .

It is a cyclic number.

It is not a de Polignac number, because 803280493 - 229 = 266409581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (803280593) 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, 401640246 + 401640247.

It is an arithmetic number, because the mean of its divisors is an integer number (401640247).

Almost surely, 2803280493 is an apocalyptic number.

It is an amenable number.

803280493 is a deficient number, since it is larger than the sum of its proper divisors (1).

803280493 is an equidigital number, since it uses as much as digits as its factorization.

803280493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 803280493 is about 28342.2033899978. The cubic root of 803280493 is about 929.5849278902.

The spelling of 803280493 in words is "eight hundred three million, two hundred eighty thousand, four hundred ninety-three".