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204000106 = 2731397261
BaseRepresentation
bin11000010100011…
…00101101101010
3112012212021112111
430022030231222
5404211000411
632124232534
75024654332
oct1412145552
9465767474
10204000106
11a5175332
125839b74a
1333357c2b
141d1440c2
1512d99721
hexc28cb6a

204000106 has 8 divisors (see below), whose sum is σ = 310192164. Its totient is φ = 100602720.

The previous prime is 204000091. The next prime is 204000107. The reversal of 204000106 is 601000402.

It can be written as a sum of positive squares in 2 ways, for example, as 175324081 + 28676025 = 13241^2 + 5355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2040001062 = 83232086496022472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204000107) 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, 698485 + ... + 698776.

Almost surely, 2204000106 is an apocalyptic number.

204000106 is a deficient number, since it is larger than the sum of its proper divisors (106192058).

204000106 is a wasteful number, since it uses less digits than its factorization.

204000106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397336.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 204000106 is about 14282.8605678274. The cubic root of 204000106 is about 588.6766336486.

Adding to 204000106 its reverse (601000402), we get a palindrome (805000508).

The spelling of 204000106 in words is "two hundred four million, one hundred six", and thus it is an aban number.

Divisors: 1 2 73 146 1397261 2794522 102000053 204000106