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49686089 is a prime number
BaseRepresentation
bin1011110110001…
…0011001001001
310110111022111112
42331202121021
5100204423324
64532540105
71142216255
oct275423111
9113438445
1049686089
1126056992
1214781635
13a3a856b
146855265
154566c0e
hex2f62649

49686089 has 2 divisors, whose sum is σ = 49686090. Its totient is φ = 49686088.

The previous prime is 49686037. The next prime is 49686101. The reversal of 49686089 is 98068694.

49686089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47375689 + 2310400 = 6883^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 49686089 - 212 = 49681993 is a prime.

It is not a weakly prime, because it can be changed into another prime (49686029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24843044 + 24843045.

It is an arithmetic number, because the mean of its divisors is an integer number (24843045).

Almost surely, 249686089 is an apocalyptic number.

It is an amenable number.

49686089 is a deficient number, since it is larger than the sum of its proper divisors (1).

49686089 is an equidigital number, since it uses as much as digits as its factorization.

49686089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 49686089 is about 7048.8360031994. The cubic root of 49686089 is about 367.6305587610.

The spelling of 49686089 in words is "forty-nine million, six hundred eighty-six thousand, eighty-nine".