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8950681 is a prime number
BaseRepresentation
bin100010001001…
…001110011001
3121211202000201
4202021032121
54242410211
6515502201
7136036165
oct42111631
917752021
108950681
115063863
122bb7961
131b1507c
14128dca5
15bbc0c1
hex889399

8950681 has 2 divisors, whose sum is σ = 8950682. Its totient is φ = 8950680.

The previous prime is 8950673. The next prime is 8950709. The reversal of 8950681 is 1860598.

8950681 = 21152 + 21162.

8950681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4477456 + 4473225 = 2116^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 8950681 - 23 = 8950673 is a prime.

It is a super-2 number, since 2×89506812 = 160229380727522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8950681.

It is not a weakly prime, because it can be changed into another prime (8950181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4475340 + 4475341.

It is an arithmetic number, because the mean of its divisors is an integer number (4475341).

Almost surely, 28950681 is an apocalyptic number.

8950681 is the 2116-th centered square number.

It is an amenable number.

8950681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8950681 is an equidigital number, since it uses as much as digits as its factorization.

8950681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 8950681 is about 2991.7688747629. The cubic root of 8950681 is about 207.6277318745.

The spelling of 8950681 in words is "eight million, nine hundred fifty thousand, six hundred eighty-one".