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49078049 is a prime number
BaseRepresentation
bin1011101100110…
…1111100100001
310102100102102112
42323031330201
5100030444144
64511525105
71134104456
oct273157441
9112312375
1049078049
1125781079
1214529795
13a224887
14673782d
15449699e
hex2ecdf21

49078049 has 2 divisors, whose sum is σ = 49078050. Its totient is φ = 49078048.

The previous prime is 49078009. The next prime is 49078069. The reversal of 49078049 is 94087094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45468049 + 3610000 = 6743^2 + 1900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49078049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49077997 and 49078015.

It is not a weakly prime, because it can be changed into another prime (49078009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24539024 + 24539025.

It is an arithmetic number, because the mean of its divisors is an integer number (24539025).

Almost surely, 249078049 is an apocalyptic number.

It is an amenable number.

49078049 is a deficient number, since it is larger than the sum of its proper divisors (1).

49078049 is an equidigital number, since it uses as much as digits as its factorization.

49078049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 49078049 is about 7005.5727103500. The cubic root of 49078049 is about 366.1247571551.

The spelling of 49078049 in words is "forty-nine million, seventy-eight thousand, forty-nine".