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49730081 is a prime number
BaseRepresentation
bin1011110110110…
…1001000100001
310110120112211212
42331231020201
5100212330311
64533515505
71142461442
oct275551041
9113515755
1049730081
1126086a45
12147a2b95
13a3c25ab
1468672c9
154574c8b
hex2f6d221

49730081 has 2 divisors, whose sum is σ = 49730082. Its totient is φ = 49730080.

The previous prime is 49730029. The next prime is 49730111. The reversal of 49730081 is 18003794.

49730081 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., 49350625 + 379456 = 7025^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 49730081 - 26 = 49730017 is a prime.

It is a super-2 number, since 2×497300812 = 4946161912533122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49730981) 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, 24865040 + 24865041.

It is an arithmetic number, because the mean of its divisors is an integer number (24865041).

Almost surely, 249730081 is an apocalyptic number.

It is an amenable number.

49730081 is a deficient number, since it is larger than the sum of its proper divisors (1).

49730081 is an equidigital number, since it uses as much as digits as its factorization.

49730081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 49730081 is about 7051.9558279955. The cubic root of 49730081 is about 367.7390266313.

The spelling of 49730081 in words is "forty-nine million, seven hundred thirty thousand, eighty-one".