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194482 = 297241
BaseRepresentation
bin101111011110110010
3100212210001
4233132302
522210412
64100214
71440001
oct573662
9325701
10194482
11123132
129466a
136a6a2
1450c38
153c957
hex2f7b2

194482 has 4 divisors (see below), whose sum is σ = 291726. Its totient is φ = 97240.

The previous prime is 194479. The next prime is 194483. The reversal of 194482 is 284491.

It is a Cunningham number, because it is equal to 214+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284491 = 476053.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 1 = 441^2 + 1^2 .

It is a d-powerful number, because it can be written as 1 + 95 + 44 + 46 + 8 + 217 .

It is a self number, because there is not a number n which added to its sum of digits gives 194482.

It is not an unprimeable number, because it can be changed into a prime (194483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48619 + ... + 48622.

194482 is a Friedman number, since it can be written as (9+8+4)^4+2-1, using all its digits and the basic arithmetic operations.

2194482 is an apocalyptic number.

194482 is a deficient number, since it is larger than the sum of its proper divisors (97244).

194482 is an equidigital number, since it uses as much as digits as its factorization.

194482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97243.

The product of its digits is 2304, while the sum is 28.

The square root of 194482 is about 441.0011337854. The cubic root of 194482 is about 57.9375070064.

Subtracting 194482 from its reverse (284491), we obtain a palindrome (90009).

It can be divided in two parts, 194 and 482, that added together give a palindrome (676).

The spelling of 194482 in words is "one hundred ninety-four thousand, four hundred eighty-two".

Divisors: 1 2 97241 194482