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50512801 is a prime number
BaseRepresentation
bin1100000010110…
…0001110100001
310112001022112111
43000230032201
5100412402201
65002355321
71152231433
oct300541641
9115038474
1050512801
1126571019
1214abbb41
13a607941
1469cc653
15467bb51
hex302c3a1

50512801 has 2 divisors, whose sum is σ = 50512802. Its totient is φ = 50512800.

The previous prime is 50512799. The next prime is 50512823. The reversal of 50512801 is 10821505.

It is an a-pointer prime, because the next prime (50512823) can be obtained adding 50512801 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41216400 + 9296401 = 6420^2 + 3049^2 .

It is a cyclic number.

It is not a de Polignac number, because 50512801 - 21 = 50512799 is a prime.

Together with 50512799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50512901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25256400 + 25256401.

It is an arithmetic number, because the mean of its divisors is an integer number (25256401).

Almost surely, 250512801 is an apocalyptic number.

It is an amenable number.

50512801 is a deficient number, since it is larger than the sum of its proper divisors (1).

50512801 is an equidigital number, since it uses as much as digits as its factorization.

50512801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 50512801 is about 7107.2358199232. The cubic root of 50512801 is about 369.6583186064.

The spelling of 50512801 in words is "fifty million, five hundred twelve thousand, eight hundred one".