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50770081 is a prime number
BaseRepresentation
bin1100000110101…
…1000010100001
310112112101110101
43001223002201
5100444120311
65012102401
71154352505
oct301530241
9115471411
1050770081
112672734a
1215004a01
13a697a8b
146a58305
1546ccec1
hex306b0a1

50770081 has 2 divisors, whose sum is σ = 50770082. Its totient is φ = 50770080.

The previous prime is 50770079. The next prime is 50770103. The reversal of 50770081 is 18007705.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 21013056 = 5455^2 + 4584^2 .

It is a cyclic number.

It is not a de Polignac number, because 50770081 - 21 = 50770079 is a prime.

It is a super-2 number, since 2×507700812 = 5155202249493122, which contains 22 as substring.

Together with 50770079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50770051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25385040 + 25385041.

It is an arithmetic number, because the mean of its divisors is an integer number (25385041).

Almost surely, 250770081 is an apocalyptic number.

It is an amenable number.

50770081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50770081 is an equidigital number, since it uses as much as digits as its factorization.

50770081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 50770081 is about 7125.3126948928. The cubic root of 50770081 is about 370.2848573347.

Adding to 50770081 its reverse (18007705), we get a palindrome (68777786).

The spelling of 50770081 in words is "fifty million, seven hundred seventy thousand, eighty-one".