Search a number
-
+
49728373 is a prime number
BaseRepresentation
bin1011110110110…
…0101101110101
310110120110111121
42331230231311
5100212301443
64533503541
71142453452
oct275545565
9113513447
1049728373
1126085732
12147a1bb1
13a3c1896
146866829
1545744ed
hex2f6cb75

49728373 has 2 divisors, whose sum is σ = 49728374. Its totient is φ = 49728372.

The previous prime is 49728361. The next prime is 49728379. The reversal of 49728373 is 37382794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27279729 + 22448644 = 5223^2 + 4738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49728373 is a prime.

It is a super-2 number, since 2×497283732 = 4945822162454258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49728379) 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, 24864186 + 24864187.

It is an arithmetic number, because the mean of its divisors is an integer number (24864187).

Almost surely, 249728373 is an apocalyptic number.

It is an amenable number.

49728373 is a deficient number, since it is larger than the sum of its proper divisors (1).

49728373 is an equidigital number, since it uses as much as digits as its factorization.

49728373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 49728373 is about 7051.8347258001. The cubic root of 49728373 is about 367.7348165339.

The spelling of 49728373 in words is "forty-nine million, seven hundred twenty-eight thousand, three hundred seventy-three".