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50220901 = 487103123
BaseRepresentation
bin1011111110010…
…0111101100101
310111111111010101
42333210331211
5100324032101
64552224101
71146604423
oct277447545
9114444111
1050220901
1126391785
121499b031
13a534b13
146954113
154620401
hex2fe4f65

50220901 has 4 divisors (see below), whose sum is σ = 50324512. Its totient is φ = 50117292.

The previous prime is 50220887. The next prime is 50220913. The reversal of 50220901 is 10902205.

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 not a de Polignac number, because 50220901 - 213 = 50212709 is a prime.

It is a Duffinian number.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50220991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51075 + ... + 52048.

It is an arithmetic number, because the mean of its divisors is an integer number (12581128).

Almost surely, 250220901 is an apocalyptic number.

It is an amenable number.

50220901 is a deficient number, since it is larger than the sum of its proper divisors (103611).

50220901 is a wasteful number, since it uses less digits than its factorization.

50220901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103610.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 50220901 is about 7086.6706569446. The cubic root of 50220901 is about 368.9448903336.

The spelling of 50220901 in words is "fifty million, two hundred twenty thousand, nine hundred one".

Divisors: 1 487 103123 50220901