Search a number
-
+
6220261 is a prime number
BaseRepresentation
bin10111101110100111100101
3102201000121001
4113232213211
53043022021
6341153301
7103604605
oct27564745
912630531
106220261
113569413
1220bb831
13139a338
14b7cc05
1582d091
hex5ee9e5

6220261 has 2 divisors, whose sum is σ = 6220262. Its totient is φ = 6220260.

The previous prime is 6220259. The next prime is 6220271. The reversal of 6220261 is 1620226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6220036 + 225 = 2494^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 6220261 - 21 = 6220259 is a prime.

Together with 6220259, 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 (6220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110130 + 3110131.

It is an arithmetic number, because the mean of its divisors is an integer number (3110131).

Almost surely, 26220261 is an apocalyptic number.

It is an amenable number.

6220261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220261 is an equidigital number, since it uses as much as digits as its factorization.

6220261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 6220261 is about 2494.0451078519. The cubic root of 6220261 is about 183.9089518826.

Adding to 6220261 its reverse (1620226), we get a palindrome (7840487).

The spelling of 6220261 in words is "six million, two hundred twenty thousand, two hundred sixty-one".