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4780931 is a prime number
BaseRepresentation
bin10010001111001110000011
322222220012112
4102033032003
52210442211
6250245535
755431401
oct22171603
98886175
104780931
112775a91
1217268ab
13cb516c
148c6471
1564688b
hex48f383

4780931 has 2 divisors, whose sum is σ = 4780932. Its totient is φ = 4780930.

The previous prime is 4780903. The next prime is 4780933. The reversal of 4780931 is 1390874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4780931 - 214 = 4764547 is a prime.

It is a super-2 number, since 2×47809312 = 45714602453522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4780933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4780933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390465 + 2390466.

It is an arithmetic number, because the mean of its divisors is an integer number (2390466).

Almost surely, 24780931 is an apocalyptic number.

4780931 is a deficient number, since it is larger than the sum of its proper divisors (1).

4780931 is an equidigital number, since it uses as much as digits as its factorization.

4780931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 4780931 is about 2186.5340152854. The cubic root of 4780931 is about 168.4628557983.

The spelling of 4780931 in words is "four million, seven hundred eighty thousand, nine hundred thirty-one".