Search a number
-
+
204791946 = 2334131991
BaseRepresentation
bin11000011010011…
…10000010001010
3112021100111201220
430031032002022
5404411320241
632153222510
75034463032
oct1415160212
9467314656
10204791946
11a5666247
1258701a36
1333574488
141d2ac8c2
1512ea4166
hexc34e08a

204791946 has 8 divisors (see below), whose sum is σ = 409583904. Its totient is φ = 68263980.

The previous prime is 204791927. The next prime is 204791953. The reversal of 204791946 is 649197402.

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

204791946 is an admirable number.

It is a super-2 number, since 2×2047919462 = 83879482292933832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204791898 and 204791907.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17065990 + ... + 17066001.

It is an arithmetic number, because the mean of its divisors is an integer number (51197988).

Almost surely, 2204791946 is an apocalyptic number.

204791946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204791946 is a wasteful number, since it uses less digits than its factorization.

204791946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34131996.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 204791946 is about 14310.5536580525. The cubic root of 204791946 is about 589.4373128089.

The spelling of 204791946 in words is "two hundred four million, seven hundred ninety-one thousand, nine hundred forty-six".

Divisors: 1 2 3 6 34131991 68263982 102395973 204791946