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BaseRepresentation
bin1100011011000001
32120210111
430123001
53112011
61031321
7301225
oct143301
976714
1050881
1135256
1225541
131a20c
1414785
1510121
hexc6c1

50881 has 8 divisors (see below), whose sum is σ = 55944. Its totient is φ = 46080.

The previous prime is 50873. The next prime is 50891. The reversal of 50881 is 18805.

50881 = 1592 + 1602.

50881 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 4225 + 46656 = 65^2 + 216^2 .

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

It is a 2-Lehmer number, since φ(50881) divides (50881-1)2.

It is a cyclic number.

It is not a de Polignac number, because 50881 - 23 = 50873 is a prime.

It is a super-2 number, since 2×508812 = 5177752322, which contains 22 as substring.

It is a deceptive number, since it divides R50880.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (6993).

250881 is an apocalyptic number.

50881 is the 160-th centered square number.

It is an amenable number.

50881 is a deficient number, since it is larger than the sum of its proper divisors (5063).

50881 is a wasteful number, since it uses less digits than its factorization.

50881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 50881 is about 225.5681715136. The cubic root of 50881 is about 37.0554318872.

The spelling of 50881 in words is "fifty thousand, eight hundred eighty-one".

Divisors: 1 17 41 73 697 1241 2993 50881