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BaseRepresentation
bin10111111100100001
311222112122
4113330201
511114311
62034025
7555644
oct277441
9158478
1098081
1167765
1248915
1335849
1427a5b
151e0db
hex17f21

98081 has 2 divisors, whose sum is σ = 98082. Its totient is φ = 98080.

The previous prime is 98057. The next prime is 98101. The reversal of 98081 is 18089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58081 + 40000 = 241^2 + 200^2 .

It is an emirp because it is prime and its reverse (18089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98081 - 26 = 98017 is a prime.

It is a super-2 number, since 2×980812 = 19239765122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98081.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 98081.

It is not a weakly prime, because it can be changed into another prime (98011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49040 + 49041.

It is an arithmetic number, because the mean of its divisors is an integer number (49041).

298081 is an apocalyptic number.

It is an amenable number.

98081 is a deficient number, since it is larger than the sum of its proper divisors (1).

98081 is an equidigital number, since it uses as much as digits as its factorization.

98081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 98081 is about 313.1788626328. The cubic root of 98081 is about 46.1170616450.

The spelling of 98081 in words is "ninety-eight thousand, eighty-one".