Search a number
-
+
1028903 is a prime number
BaseRepresentation
bin11111011001100100111
31221021101112
43323030213
5230411103
634015235
711513501
oct3731447
91837345
101028903
11643037
1241751b
132a0425
141cad71
15154cd8
hexfb327

1028903 has 2 divisors, whose sum is σ = 1028904. Its totient is φ = 1028902.

The previous prime is 1028893. The next prime is 1028939. The reversal of 1028903 is 3098201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028903 - 28 = 1028647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514451 + 514452.

It is an arithmetic number, because the mean of its divisors is an integer number (514452).

21028903 is an apocalyptic number.

1028903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028903 is an equidigital number, since it uses as much as digits as its factorization.

1028903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1028903 is about 1014.3485594213. The cubic root of 1028903 is about 100.9542975269.

The spelling of 1028903 in words is "one million, twenty-eight thousand, nine hundred three".