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4538939 is a prime number
BaseRepresentation
bin10001010100001000111011
322112121020212
4101110020323
52130221224
6241141335
753403026
oct21241073
98477225
104538939
112620199
12162a84b
13c2bc82
148621bd
155e9d0e
hex45423b

4538939 has 2 divisors, whose sum is σ = 4538940. Its totient is φ = 4538938.

The previous prime is 4538923. The next prime is 4538953. The reversal of 4538939 is 9398354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4538939 - 24 = 4538923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4538896 and 4538905.

It is not a weakly prime, because it can be changed into another prime (4538969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269469 + 2269470.

It is an arithmetic number, because the mean of its divisors is an integer number (2269470).

Almost surely, 24538939 is an apocalyptic number.

4538939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538939 is an equidigital number, since it uses as much as digits as its factorization.

4538939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 4538939 is about 2130.4785847316. The cubic root of 4538939 is about 165.5711945315.

The spelling of 4538939 in words is "four million, five hundred thirty-eight thousand, nine hundred thirty-nine".