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49666079 is a prime number
BaseRepresentation
bin1011110101110…
…1100000011111
310110110022001102
42331131200133
5100203303304
64532303315
71142104031
oct275354037
9113408042
1049666079
1126042951
1214771b3b
13a39c418
14684bc51
154560d1e
hex2f5d81f

49666079 has 2 divisors, whose sum is σ = 49666080. Its totient is φ = 49666078.

The previous prime is 49666033. The next prime is 49666081. The reversal of 49666079 is 97066694.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49666079 is a prime.

Together with 49666081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49666579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24833039 + 24833040.

It is an arithmetic number, because the mean of its divisors is an integer number (24833040).

Almost surely, 249666079 is an apocalyptic number.

49666079 is a deficient number, since it is larger than the sum of its proper divisors (1).

49666079 is an equidigital number, since it uses as much as digits as its factorization.

49666079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 49666079 is about 7047.4164769793. The cubic root of 49666079 is about 367.5812003767.

The spelling of 49666079 in words is "forty-nine million, six hundred sixty-six thousand, seventy-nine".