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63790949 is a prime number
BaseRepresentation
bin1111001101010…
…1111101100101
311110000220201202
43303111331211
5112312302244
610155132245
71403133305
oct363257545
9143026652
1063790949
11330100a2
1219444085
13102a6631
148687605
15590104e
hex3cd5f65

63790949 has 2 divisors, whose sum is σ = 63790950. Its totient is φ = 63790948.

The previous prime is 63790907. The next prime is 63791009. The reversal of 63790949 is 94909736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 16662724 = 6865^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 63790949 - 28 = 63790693 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63790549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31895474 + 31895475.

It is an arithmetic number, because the mean of its divisors is an integer number (31895475).

Almost surely, 263790949 is an apocalyptic number.

It is an amenable number.

63790949 is a deficient number, since it is larger than the sum of its proper divisors (1).

63790949 is an equidigital number, since it uses as much as digits as its factorization.

63790949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 63790949 is about 7986.9236255269. The cubic root of 63790949 is about 399.5640020204.

The spelling of 63790949 in words is "sixty-three million, seven hundred ninety thousand, nine hundred forty-nine".