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204014161 = 1317923141
BaseRepresentation
bin11000010100100…
…00001001010001
3112012212222211001
430022100021101
5404211423121
632124422001
75025043321
oct1412201121
9465788731
10204014161
11a518494a
12583a7901
1333361450
141d149281
1512d9d991
hexc290251

204014161 has 8 divisors (see below), whose sum is σ = 232631784. Its totient is φ = 177242880.

The previous prime is 204014147. The next prime is 204014179. The reversal of 204014161 is 161410402.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 200930625 = 1756^2 + 14175^2 .

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 204014161 - 211 = 204012113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204017161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461350 + ... + 461791.

It is an arithmetic number, because the mean of its divisors is an integer number (29078973).

Almost surely, 2204014161 is an apocalyptic number.

It is an amenable number.

204014161 is a deficient number, since it is larger than the sum of its proper divisors (28617623).

204014161 is a wasteful number, since it uses less digits than its factorization.

204014161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923171.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 204014161 is about 14283.3525826397. The cubic root of 204014161 is about 588.6901526940.

Adding to 204014161 its reverse (161410402), we get a palindrome (365424563).

The spelling of 204014161 in words is "two hundred four million, fourteen thousand, one hundred sixty-one".

Divisors: 1 13 17 221 923141 12000833 15693397 204014161