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514481749 is a prime number
BaseRepresentation
bin11110101010100…
…101111001010101
31022212002101021121
4132222211321111
52023201403444
6123015043541
715515010535
oct3652457125
91285071247
10514481749
11244458831
121243705b1
1382785892
144c4854c5
1530279084
hex1eaa5e55

514481749 has 2 divisors, whose sum is σ = 514481750. Its totient is φ = 514481748.

The previous prime is 514481741. The next prime is 514481767. The reversal of 514481749 is 947184415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491508900 + 22972849 = 22170^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 514481749 - 23 = 514481741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514481741) 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, 257240874 + 257240875.

It is an arithmetic number, because the mean of its divisors is an integer number (257240875).

Almost surely, 2514481749 is an apocalyptic number.

It is an amenable number.

514481749 is a deficient number, since it is larger than the sum of its proper divisors (1).

514481749 is an equidigital number, since it uses as much as digits as its factorization.

514481749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 514481749 is about 22682.1901279396. The cubic root of 514481749 is about 801.2904947639.

The spelling of 514481749 in words is "five hundred fourteen million, four hundred eighty-one thousand, seven hundred forty-nine".