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204000113 = 701291013
BaseRepresentation
bin11000010100011…
…00101101110001
3112012212021112202
430022030231301
5404211000423
632124232545
75024654342
oct1412145561
9465767482
10204000113
11a5175339
125839b755
1333357c35
141d1440c9
1512d99728
hexc28cb71

204000113 has 4 divisors (see below), whose sum is σ = 204291828. Its totient is φ = 203708400.

The previous prime is 204000107. The next prime is 204000191. The reversal of 204000113 is 311000402.

It is a happy number.

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 102252544 + 101747569 = 10112^2 + 10087^2 .

It is a cyclic number.

It is not a de Polignac number, because 204000113 - 214 = 203983729 is a prime.

It is a super-2 number, since 2×2040001132 = 83232092208025538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204000094 and 204000103.

It is not an unprimeable number, because it can be changed into a prime (204000613) 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, 144806 + ... + 146207.

It is an arithmetic number, because the mean of its divisors is an integer number (51072957).

Almost surely, 2204000113 is an apocalyptic number.

It is an amenable number.

204000113 is a deficient number, since it is larger than the sum of its proper divisors (291715).

204000113 is an equidigital number, since it uses as much as digits as its factorization.

204000113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291714.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 204000113 is about 14282.8608128764. The cubic root of 204000113 is about 588.6766403819.

Adding to 204000113 its reverse (311000402), we get a palindrome (515000515).

The spelling of 204000113 in words is "two hundred four million, one hundred thirteen", and thus it is an aban number.

Divisors: 1 701 291013 204000113