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544861979 is a prime number
BaseRepresentation
bin100000011110011…
…110111100011011
31101222020212010022
4200132132330123
52103441040404
6130022141055
716334151614
oct4036367433
91358225108
10544861979
1125a618962
1213258178b
1388b6194c
1452512c0b
1532c7a8be
hex2079ef1b

544861979 has 2 divisors, whose sum is σ = 544861980. Its totient is φ = 544861978.

The previous prime is 544861957. The next prime is 544862027. The reversal of 544861979 is 979168445.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-544861979 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 544861979.

It is not a weakly prime, because it can be changed into another prime (544861909) 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, 272430989 + 272430990.

It is an arithmetic number, because the mean of its divisors is an integer number (272430990).

Almost surely, 2544861979 is an apocalyptic number.

544861979 is a deficient number, since it is larger than the sum of its proper divisors (1).

544861979 is an equidigital number, since it uses as much as digits as its factorization.

544861979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 544861979 is about 23342.2787876420. The cubic root of 544861979 is about 816.7619571904.

It can be divided in two parts, 54486 and 1979, that added together give a palindrome (56465).

The spelling of 544861979 in words is "five hundred forty-four million, eight hundred sixty-one thousand, nine hundred seventy-nine".