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204046213 = 729149459
BaseRepresentation
bin11000010100101…
…11111110000101
3112012221121210011
430022113332011
5404213434323
632125230221
75025235630
oct1412277605
9465847704
10204046213
11a51a6a38
1258402371
1333372c07
141d156c17
1512da820d
hexc297f85

204046213 has 4 divisors (see below), whose sum is σ = 233195680. Its totient is φ = 174896748.

The previous prime is 204046207. The next prime is 204046229. The reversal of 204046213 is 312640402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204046213 - 225 = 170491781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204046253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14574723 + ... + 14574736.

It is an arithmetic number, because the mean of its divisors is an integer number (58298920).

Almost surely, 2204046213 is an apocalyptic number.

It is an amenable number.

204046213 is a deficient number, since it is larger than the sum of its proper divisors (29149467).

204046213 is an equidigital number, since it uses as much as digits as its factorization.

204046213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29149466.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 204046213 is about 14284.4745440636. The cubic root of 204046213 is about 588.7209801435.

Adding to 204046213 its reverse (312640402), we get a palindrome (516686615).

The spelling of 204046213 in words is "two hundred four million, forty-six thousand, two hundred thirteen".

Divisors: 1 7 29149459 204046213