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4780939 is a prime number
BaseRepresentation
bin10010001111001110001011
322222220012211
4102033032023
52210442224
6250245551
755431412
oct22171613
98886184
104780939
112775a99
1217268b7
13cb5177
148c6479
15646894
hex48f38b

4780939 has 2 divisors, whose sum is σ = 4780940. Its totient is φ = 4780938.

The previous prime is 4780933. The next prime is 4780943. The reversal of 4780939 is 9390874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4780939 - 23 = 4780931 is a prime.

It is not a weakly prime, because it can be changed into another prime (4780931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390469 + 2390470.

It is an arithmetic number, because the mean of its divisors is an integer number (2390470).

Almost surely, 24780939 is an apocalyptic number.

4780939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4780939 is an equidigital number, since it uses as much as digits as its factorization.

4780939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 4780939 is about 2186.5358446639. The cubic root of 4780939 is about 168.4629497620.

The spelling of 4780939 in words is "four million, seven hundred eighty thousand, nine hundred thirty-nine".