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104986 = 277499
BaseRepresentation
bin11001101000011010
312100000101
4121220122
511324421
62130014
7615040
oct315032
9170011
10104986
1171972
125090a
1338a2b
142a390
1521191
hex19a1a

104986 has 8 divisors (see below), whose sum is σ = 180000. Its totient is φ = 44988.

The previous prime is 104971. The next prime is 104987. The reversal of 104986 is 689401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1049862 = 22044120392, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (22500).

104986 is a Friedman number, since it can be written as 10+(9*(8-6))^4, using all its digits and the basic arithmetic operations.

2104986 is an apocalyptic number.

104986 is a deficient number, since it is larger than the sum of its proper divisors (75014).

104986 is an equidigital number, since it uses as much as digits as its factorization.

104986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 104986 is about 324.0154317313. The cubic root of 104986 is about 47.1748429571.

The spelling of 104986 in words is "one hundred four thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 7499 14998 52493 104986