Search a number
-
+
4020223 is a prime number
BaseRepresentation
bin1111010101011111111111
321120020201011
433111133333
52012121343
6222100051
746112524
oct17253777
97506634
104020223
1122a64a9
12141a627
13aa9b3c
1476914b
1554629d
hex3d57ff

4020223 has 2 divisors, whose sum is σ = 4020224. Its totient is φ = 4020222.

The previous prime is 4020221. The next prime is 4020227. The reversal of 4020223 is 3220204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4020223 - 21 = 4020221 is a prime.

Together with 4020221, it forms a pair of twin primes.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010111 + 2010112.

It is an arithmetic number, because the mean of its divisors is an integer number (2010112).

Almost surely, 24020223 is an apocalyptic number.

4020223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020223 is an equidigital number, since it uses as much as digits as its factorization.

4020223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4020223 is about 2005.0493759506. The cubic root of 4020223 is about 159.0071723885.

Adding to 4020223 its reverse (3220204), we get a palindrome (7240427).

The spelling of 4020223 in words is "four million, twenty thousand, two hundred twenty-three".