Search a number
-
+
3280897 is a prime number
BaseRepresentation
bin1100100001000000000001
320011200112201
430201000001
51314442042
6154153201
736613204
oct14410001
96150481
103280897
111940a94
121122801
138ab479
1461593b
1544c1b7
hex321001

3280897 has 2 divisors, whose sum is σ = 3280898. Its totient is φ = 3280896.

The previous prime is 3280889. The next prime is 3280903. The reversal of 3280897 is 7980823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 179776 = 1761^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 3280897 - 23 = 3280889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3280867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640448 + 1640449.

It is an arithmetic number, because the mean of its divisors is an integer number (1640449).

It is a Proth number, since it is equal to 801 ⋅ 212 + 1 and 801 < 212.

Almost surely, 23280897 is an apocalyptic number.

It is an amenable number.

3280897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3280897 is an equidigital number, since it uses as much as digits as its factorization.

3280897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3280897 is about 1811.3246533960. The cubic root of 3280897 is about 148.5927198548.

It can be divided in two parts, 3 and 280897, that added together give a square (280900 = 5302).

The spelling of 3280897 in words is "three million, two hundred eighty thousand, eight hundred ninety-seven".