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199106 = 2113881
BaseRepresentation
bin110000100111000010
3101010010022
4300213002
522332411
64133442
71456325
oct604702
9333108
10199106
11126656
1297282
136c81b
14527bc
153dedb
hex309c2

199106 has 8 divisors (see below), whose sum is σ = 301644. Its totient is φ = 98560.

The previous prime is 199103. The next prime is 199109. The reversal of 199106 is 601991.

It is an interprime number because it is at equal distance from previous prime (199103) and next prime (199109).

It can be written as a sum of positive squares in 2 ways, for example, as 152881 + 46225 = 391^2 + 215^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (199103) 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 in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 666.

2199106 is an apocalyptic number.

199106 is a deficient number, since it is larger than the sum of its proper divisors (102538).

199106 is a wasteful number, since it uses less digits than its factorization.

199106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 199106 is about 446.2129536443. The cubic root of 199106 is about 58.3930888800.

The spelling of 199106 in words is "one hundred ninety-nine thousand, one hundred six".

Divisors: 1 2 113 226 881 1762 99553 199106