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49933789 is a prime number
BaseRepresentation
bin1011111001111…
…0110111011101
310110221220021121
42332132313131
5100240340124
64542130541
71144300363
oct276366735
9113856247
1049933789
1126205aa4
1214880a51
13a464229
1468bb633
1545b52e4
hex2f9eddd

49933789 has 2 divisors, whose sum is σ = 49933790. Its totient is φ = 49933788.

The previous prime is 49933769. The next prime is 49933799. The reversal of 49933789 is 98733994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37613689 + 12320100 = 6133^2 + 3510^2 .

It is a cyclic number.

It is not a de Polignac number, because 49933789 - 211 = 49931741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49933769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24966894 + 24966895.

It is an arithmetic number, because the mean of its divisors is an integer number (24966895).

Almost surely, 249933789 is an apocalyptic number.

It is an amenable number.

49933789 is a deficient number, since it is larger than the sum of its proper divisors (1).

49933789 is an equidigital number, since it uses as much as digits as its factorization.

49933789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 49933789 is about 7066.3844361880. The cubic root of 49933789 is about 368.2404624252.

The spelling of 49933789 in words is "forty-nine million, nine hundred thirty-three thousand, seven hundred eighty-nine".