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49746569 is a prime number
BaseRepresentation
bin1011110111000…
…1001010001001
310110121101110112
42331301022021
5100213342234
64534124105
71142560505
oct275611211
9113541415
1049746569
1126098374
12147b0635
13a3c9c52
14686d305
154579ace
hex2f71289

49746569 has 2 divisors, whose sum is σ = 49746570. Its totient is φ = 49746568.

The previous prime is 49746551. The next prime is 49746577. The reversal of 49746569 is 96564794.

49746569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 1026169 = 6980^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 49746569 - 216 = 49681033 is a prime.

It is a super-2 number, since 2×497465692 = 4949442254543522, which contains 22 as substring.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (49746509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24873284 + 24873285.

It is an arithmetic number, because the mean of its divisors is an integer number (24873285).

Almost surely, 249746569 is an apocalyptic number.

It is an amenable number.

49746569 is a deficient number, since it is larger than the sum of its proper divisors (1).

49746569 is an equidigital number, since it uses as much as digits as its factorization.

49746569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 49746569 is about 7053.1247684980. The cubic root of 49746569 is about 367.7796634114.

The spelling of 49746569 in words is "forty-nine million, seven hundred forty-six thousand, five hundred sixty-nine".