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4978291 is a prime number
BaseRepresentation
bin10010111111011001110011
3100100220221011
4102333121303
52233301131
6254411351
760212653
oct22773163
910326834
104978291
1128a029a
121800b57
131053c46
14938363
156850b1
hex4bf673

4978291 has 2 divisors, whose sum is σ = 4978292. Its totient is φ = 4978290.

The previous prime is 4978283. The next prime is 4978349. The reversal of 4978291 is 1928794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4978291 - 23 = 4978283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4978241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489145 + 2489146.

It is an arithmetic number, because the mean of its divisors is an integer number (2489146).

Almost surely, 24978291 is an apocalyptic number.

4978291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978291 is an equidigital number, since it uses as much as digits as its factorization.

4978291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 4978291 is about 2231.2084169795. The cubic root of 4978291 is about 170.7497565141.

The spelling of 4978291 in words is "four million, nine hundred seventy-eight thousand, two hundred ninety-one".