Search a number
-
+
204213023 = 730795027
BaseRepresentation
bin11000010110000…
…00101100011111
3112020021002121022
430023000230133
5404234304043
632132554355
75026532150
oct1413005437
9466232538
10204213023
11a53002a3
12584829bb
1333400b11
141d19b927
1512ddc868
hexc2c0b1f

204213023 has 8 divisors (see below), whose sum is σ = 234148992. Its totient is φ = 174467736.

The previous prime is 204213019. The next prime is 204213071. The reversal of 204213023 is 320312402.

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

It is a cyclic number.

It is not a de Polignac number, because 204213023 - 22 = 204213019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204212992 and 204213010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204213013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45365 + ... + 49662.

It is an arithmetic number, because the mean of its divisors is an integer number (29268624).

Almost surely, 2204213023 is an apocalyptic number.

204213023 is a deficient number, since it is larger than the sum of its proper divisors (29935969).

204213023 is an equidigital number, since it uses as much as digits as its factorization.

204213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95341.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204213023 is about 14290.3122079260. The cubic root of 204213023 is about 588.8813650490.

Adding to 204213023 its reverse (320312402), we get a palindrome (524525425).

The spelling of 204213023 in words is "two hundred four million, two hundred thirteen thousand, twenty-three".

Divisors: 1 7 307 2149 95027 665189 29173289 204213023