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204122103 = 3149456649
BaseRepresentation
bin11000010101010…
…10011111110111
3112020002110212220
430022222133313
5404223401403
632131013423
75026003113
oct1412523767
9466073786
10204122103
11a5248a59
125843a273
133339b613
141d176743
1512dc0953
hexc2aa7f7

204122103 has 8 divisors (see below), whose sum is σ = 273990000. Its totient is φ = 135167808.

The previous prime is 204122101. The next prime is 204122143. The reversal of 204122103 is 301221402.

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

It is not a de Polignac number, because 204122103 - 21 = 204122101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204122101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227878 + ... + 228771.

It is an arithmetic number, because the mean of its divisors is an integer number (34248750).

Almost surely, 2204122103 is an apocalyptic number.

204122103 is a deficient number, since it is larger than the sum of its proper divisors (69867897).

204122103 is a wasteful number, since it uses less digits than its factorization.

204122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456801.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 204122103 is about 14287.1306776413. The cubic root of 204122103 is about 588.7939578883.

Adding to 204122103 its reverse (301221402), we get a palindrome (505343505).

The spelling of 204122103 in words is "two hundred four million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 3 149 447 456649 1369947 68040701 204122103