Search a number
-
+
7421963 is a prime number
BaseRepresentation
bin11100010100000000001011
3111222002000112
4130110000023
53400000323
6423024535
7120041243
oct34240013
914862015
107421963
11420a25a
12259b14b
1316cb2c3
14db2b23
159b9178
hex71400b

7421963 has 2 divisors, whose sum is σ = 7421964. Its totient is φ = 7421962.

The previous prime is 7421923. The next prime is 7421987. The reversal of 7421963 is 3691247.

7421963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7421963 - 210 = 7420939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7421923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710981 + 3710982.

It is an arithmetic number, because the mean of its divisors is an integer number (3710982).

Almost surely, 27421963 is an apocalyptic number.

7421963 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421963 is an equidigital number, since it uses as much as digits as its factorization.

7421963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 7421963 is about 2724.3279905327. The cubic root of 7421963 is about 195.0621147726.

The spelling of 7421963 in words is "seven million, four hundred twenty-one thousand, nine hundred sixty-three".