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204423141 = 31359731217
BaseRepresentation
bin11000010111100…
…11111111100101
3112020122202211110
430023303333211
5404313020031
632141255233
75031365556
oct1413637745
9466582743
10204423141
11a543414a
1258564519
1333475650
141d21432d
1512e2ec46
hexc2f3fe5

204423141 has 32 divisors (see below), whose sum is σ = 302843520. Its totient is φ = 121872384.

The previous prime is 204423133. The next prime is 204423151. The reversal of 204423141 is 141324402.

It is not a de Polignac number, because 204423141 - 23 = 204423133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167365 + ... + 168581.

It is an arithmetic number, because the mean of its divisors is an integer number (9463860).

Almost surely, 2204423141 is an apocalyptic number.

It is an amenable number.

204423141 is a deficient number, since it is larger than the sum of its proper divisors (98420379).

204423141 is a wasteful number, since it uses less digits than its factorization.

204423141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 204423141 is about 14297.6620816132. The cubic root of 204423141 is about 589.0832655932.

Adding to 204423141 its reverse (141324402), we get a palindrome (345747543).

The spelling of 204423141 in words is "two hundred four million, four hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 3 13 39 59 73 177 219 767 949 1217 2301 2847 3651 4307 12921 15821 47463 55991 71803 88841 167973 215409 266523 933439 1154933 2800317 3464799 5241619 15724857 68141047 204423141