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50006881 is a prime number
BaseRepresentation
bin1011111011000…
…0101101100001
310111002121112201
42332300231201
5100300210011
64543453201
71145023441
oct276605541
9114077481
1050006881
1126255a01
12148b7201
13a48b592
1468da121
1545cbcc1
hex2fb0b61

50006881 has 2 divisors, whose sum is σ = 50006882. Its totient is φ = 50006880.

The previous prime is 50006863. The next prime is 50006941. The reversal of 50006881 is 18860005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30426256 + 19580625 = 5516^2 + 4425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50006881 is a prime.

It is a super-2 number, since 2×500068812 = 5001376294696322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50006381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25003440 + 25003441.

It is an arithmetic number, because the mean of its divisors is an integer number (25003441).

Almost surely, 250006881 is an apocalyptic number.

It is an amenable number.

50006881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50006881 is an equidigital number, since it uses as much as digits as its factorization.

50006881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 50006881 is about 7071.5543553027. The cubic root of 50006881 is about 368.4200489693.

Adding to 50006881 its reverse (18860005), we get a palindrome (68866886).

It can be divided in two parts, 5000 and 6881, that added together give a square (11881 = 1092).

The spelling of 50006881 in words is "fifty million, six thousand, eight hundred eighty-one".