Search a number
-
+
1028941 is a prime number
BaseRepresentation
bin11111011001101001101
31221021102221
43323031031
5230411231
634015341
711513554
oct3731515
91837387
101028941
11643071
12417551
132a0454
141cad9b
15154d11
hexfb34d

1028941 has 2 divisors, whose sum is σ = 1028942. Its totient is φ = 1028940.

The previous prime is 1028939. The next prime is 1028953. The reversal of 1028941 is 1498201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 48841 = 990^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028941 - 21 = 1028939 is a prime.

Together with 1028939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028981) 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, 514470 + 514471.

It is an arithmetic number, because the mean of its divisors is an integer number (514471).

21028941 is an apocalyptic number.

It is an amenable number.

1028941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028941 is an equidigital number, since it uses as much as digits as its factorization.

1028941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1028941 is about 1014.3672904821. The cubic root of 1028941 is about 100.9555403444.

The spelling of 1028941 in words is "one million, twenty-eight thousand, nine hundred forty-one".