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50420051 = 1118112531
BaseRepresentation
bin1100000001010…
…1100101010011
310111212121022022
43000111211103
5100401420201
65000402055
71151364143
oct300254523
9114777268
1050420051
1126508370
1214a7632b
13a5a4666
1469a6923
15465e41b
hex3015953

50420051 has 8 divisors (see below), whose sum is σ = 55055808. Its totient is φ = 45793000.

The previous prime is 50420023. The next prime is 50420057. The reversal of 50420051 is 15002405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50420051 - 26 = 50419987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50420057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18656 + ... + 21186.

It is an arithmetic number, because the mean of its divisors is an integer number (6881976).

Almost surely, 250420051 is an apocalyptic number.

50420051 is a deficient number, since it is larger than the sum of its proper divisors (4635757).

50420051 is a wasteful number, since it uses less digits than its factorization.

50420051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 50420051 is about 7100.7077816229. The cubic root of 50420051 is about 369.4319283671.

Adding to 50420051 its reverse (15002405), we get a palindrome (65422456).

The spelling of 50420051 in words is "fifty million, four hundred twenty thousand, fifty-one".

Divisors: 1 11 1811 2531 19921 27841 4583641 50420051