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88681 is a prime number
BaseRepresentation
bin10101101001101001
311111122111
4111221221
510314211
61522321
7516355
oct255151
9144574
1088681
116069a
12433a1
1331498
1424465
151b421
hex15a69

88681 has 2 divisors, whose sum is σ = 88682. Its totient is φ = 88680.

The previous prime is 88667. The next prime is 88721. The reversal of 88681 is 18688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46656 + 42025 = 216^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 88681 - 29 = 88169 is a prime.

It is a super-2 number, since 2×886812 = 15728639522, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (88651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44340 + 44341.

It is an arithmetic number, because the mean of its divisors is an integer number (44341).

288681 is an apocalyptic number.

It is an amenable number.

88681 is a deficient number, since it is larger than the sum of its proper divisors (1).

88681 is an equidigital number, since it uses as much as digits as its factorization.

88681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 31.

The square root of 88681 is about 297.7935526502. The cubic root of 88681 is about 44.5940442623.

The spelling of 88681 in words is "eighty-eight thousand, six hundred eighty-one".