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194930 = 25101193
BaseRepresentation
bin101111100101110010
3100220101122
4233211302
522214210
64102242
71441211
oct574562
9326348
10194930
111234aa
1294982
136a958
1451078
153cb55
hex2f972

194930 has 16 divisors (see below), whose sum is σ = 356184. Its totient is φ = 76800.

The previous prime is 194917. The next prime is 194933. The reversal of 194930 is 39491.

It is a happy number.

194930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 177241 + 17689 = 421^2 + 133^2 .

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 194930.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194930.

It is not an unprimeable number, because it can be changed into a prime (194933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914 + ... + 1106.

2194930 is an apocalyptic number.

194930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194930 is a deficient number, since it is larger than the sum of its proper divisors (161254).

194930 is a wasteful number, since it uses less digits than its factorization.

194930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 194930 is about 441.5087768097. The cubic root of 194930 is about 57.9819603033.

The spelling of 194930 in words is "one hundred ninety-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 101 193 202 386 505 965 1010 1930 19493 38986 97465 194930