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204115301 = 1315701177
BaseRepresentation
bin11000010101010…
…00110101100101
3112020002010112222
430022220311211
5404223142201
632130522125
75025644225
oct1412506545
9466063488
10204115301
11a5243935
1258436345
13333984b0
141d174085
1512dbd91b
hexc2a8d65

204115301 has 4 divisors (see below), whose sum is σ = 219816492. Its totient is φ = 188414112.

The previous prime is 204115291. The next prime is 204115319. The reversal of 204115301 is 103511402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63218401 + 140896900 = 7951^2 + 11870^2 .

It is a cyclic number.

It is not a de Polignac number, because 204115301 - 26 = 204115237 is a prime.

It is a super-2 number, since 2×2041153012 = 83326112204641202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204115301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204115391) 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 3 ways as a sum of consecutive naturals, for example, 7850576 + ... + 7850601.

It is an arithmetic number, because the mean of its divisors is an integer number (54954123).

Almost surely, 2204115301 is an apocalyptic number.

It is an amenable number.

204115301 is a deficient number, since it is larger than the sum of its proper divisors (15701191).

204115301 is a wasteful number, since it uses less digits than its factorization.

204115301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15701190.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 204115301 is about 14286.8926292599. The cubic root of 204115301 is about 588.7874176510.

Adding to 204115301 its reverse (103511402), we get a palindrome (307626703).

The spelling of 204115301 in words is "two hundred four million, one hundred fifteen thousand, three hundred one".

Divisors: 1 13 15701177 204115301