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98666 = 249333
BaseRepresentation
bin11000000101101010
312000100022
4120011222
511124131
62040442
7560441
oct300552
9160308
1098666
1168147
1249122
1335ba9
1427d58
151e37b
hex1816a

98666 has 4 divisors (see below), whose sum is σ = 148002. Its totient is φ = 49332.

The previous prime is 98663. The next prime is 98669. The reversal of 98666 is 66689.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (98663) and next prime (98669).

It can be written as a sum of positive squares in only one way, i.e., 52441 + 46225 = 229^2 + 215^2 .

98666 is a modest number, since divided by 666 gives 98 as remainder.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98663) 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 as a sum of consecutive naturals, namely, 24665 + ... + 24668.

298666 is an apocalyptic number.

98666 is a deficient number, since it is larger than the sum of its proper divisors (49336).

98666 is a wasteful number, since it uses less digits than its factorization.

98666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49335.

The product of its digits is 15552, while the sum is 35.

The square root of 98666 is about 314.1114451910. Note that the first 3 decimals coincide. The cubic root of 98666 is about 46.2085677157.

The spelling of 98666 in words is "ninety-eight thousand, six hundred sixty-six".

Divisors: 1 2 49333 98666