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49306157 is a prime number
BaseRepresentation
bin1011110000010…
…1101000101101
310102210000022222
42330011220231
5100110244112
64520445125
71136044505
oct274055055
9112700288
1049306157
112591749a
12146197a5
13a2a4654
146796a05
1544de372
hex2f05a2d

49306157 has 2 divisors, whose sum is σ = 49306158. Its totient is φ = 49306156.

The previous prime is 49306141. The next prime is 49306207. The reversal of 49306157 is 75160394.

49306157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36554116 + 12752041 = 6046^2 + 3571^2 .

It is a cyclic number.

It is not a de Polignac number, because 49306157 - 24 = 49306141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49306057) 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, 24653078 + 24653079.

It is an arithmetic number, because the mean of its divisors is an integer number (24653079).

Almost surely, 249306157 is an apocalyptic number.

It is an amenable number.

49306157 is a deficient number, since it is larger than the sum of its proper divisors (1).

49306157 is an equidigital number, since it uses as much as digits as its factorization.

49306157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 49306157 is about 7021.8343045105. The cubic root of 49306157 is about 366.6911130625.

The spelling of 49306157 in words is "forty-nine million, three hundred six thousand, one hundred fifty-seven".