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49856069 is a prime number
BaseRepresentation
bin1011111000101…
…1111001000101
310110210221200002
42332023321011
5100230343234
64540331045
71143524654
oct276137105
9113727602
1049856069
112616266a
1214843a85
13a437a43
14689b19b
15459c27e
hex2f8be45

49856069 has 2 divisors, whose sum is σ = 49856070. Its totient is φ = 49856068.

The previous prime is 49856063. The next prime is 49856077. The reversal of 49856069 is 96065894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 3751969 = 6790^2 + 1937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49856069 is a prime.

It is a super-2 number, since 2×498560692 = 4971255232265522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49856063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24928034 + 24928035.

It is an arithmetic number, because the mean of its divisors is an integer number (24928035).

Almost surely, 249856069 is an apocalyptic number.

It is an amenable number.

49856069 is a deficient number, since it is larger than the sum of its proper divisors (1).

49856069 is an equidigital number, since it uses as much as digits as its factorization.

49856069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 49856069 is about 7060.8830184333. The cubic root of 49856069 is about 368.0493125671.

The spelling of 49856069 in words is "forty-nine million, eight hundred fifty-six thousand, sixty-nine".