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50150081 = 471067023
BaseRepresentation
bin1011111101001…
…1101011000001
310111100212222102
42333103223001
5100314300311
64550520145
71146161102
oct277235301
9114325872
1050150081
1126343553
1214966055
13a50b807
1469363a9
15460943b
hex2fd3ac1

50150081 has 4 divisors (see below), whose sum is σ = 51217152. Its totient is φ = 49083012.

The previous prime is 50150057. The next prime is 50150099. The reversal of 50150081 is 18005105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50150081 is a prime.

It is a super-2 number, since 2×501500812 = 5030061248613122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50150021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533465 + ... + 533558.

It is an arithmetic number, because the mean of its divisors is an integer number (12804288).

Almost surely, 250150081 is an apocalyptic number.

It is an amenable number.

50150081 is a deficient number, since it is larger than the sum of its proper divisors (1067071).

50150081 is a wasteful number, since it uses less digits than its factorization.

50150081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067070.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 50150081 is about 7081.6721895326. The cubic root of 50150081 is about 368.7713837642.

Adding to 50150081 its reverse (18005105), we get a palindrome (68155186).

The spelling of 50150081 in words is "fifty million, one hundred fifty thousand, eighty-one".

Divisors: 1 47 1067023 50150081