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49318057 is a prime number
BaseRepresentation
bin1011110000100…
…0100010101001
310102210121122201
42330020202221
5100111134212
64521020201
71136124265
oct274104251
9112717581
1049318057
1125925428
1214624661
13a2a9ba9
14679b0a5
1544e2b57
hex2f088a9

49318057 has 2 divisors, whose sum is σ = 49318058. Its totient is φ = 49318056.

The previous prime is 49318051. The next prime is 49318063. The reversal of 49318057 is 75081394.

It is a balanced prime because it is at equal distance from previous prime (49318051) and next prime (49318063).

It can be written as a sum of positive squares in only one way, i.e., 48734361 + 583696 = 6981^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 49318057 - 219 = 48793769 is a prime.

It is not a weakly prime, because it can be changed into another prime (49318051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24659028 + 24659029.

It is an arithmetic number, because the mean of its divisors is an integer number (24659029).

Almost surely, 249318057 is an apocalyptic number.

It is an amenable number.

49318057 is a deficient number, since it is larger than the sum of its proper divisors (1).

49318057 is an equidigital number, since it uses as much as digits as its factorization.

49318057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 49318057 is about 7022.6816103252. The cubic root of 49318057 is about 366.7206108879.

The spelling of 49318057 in words is "forty-nine million, three hundred eighteen thousand, fifty-seven".