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107986 = 253993
BaseRepresentation
bin11010010111010010
312111010111
4122113102
511423421
62151534
7626554
oct322722
9174114
10107986
117414a
12525aa
133a1c8
142b4d4
1521ee1
hex1a5d2

107986 has 4 divisors (see below), whose sum is σ = 161982. Its totient is φ = 53992.

The previous prime is 107981. The next prime is 107999. The reversal of 107986 is 689701.

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

It can be written as a sum of positive squares in only one way, i.e., 60025 + 47961 = 245^2 + 219^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (107981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26995 + ... + 26998.

2107986 is an apocalyptic number.

107986 is a deficient number, since it is larger than the sum of its proper divisors (53996).

107986 is an equidigital number, since it uses as much as digits as its factorization.

107986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53995.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 107986 is about 328.6122334911. The cubic root of 107986 is about 47.6199737280.

The spelling of 107986 in words is "one hundred seven thousand, nine hundred eighty-six".

Divisors: 1 2 53993 107986