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204031270 = 25148713721
BaseRepresentation
bin11000010100101…
…00010100100110
3112012220212021201
430022110110212
5404213000040
632125033114
75025144232
oct1412242446
9465825251
10204031270
11a5196793
12583b579a
1333369181
141d1515c2
1512da3a9a
hexc294526

204031270 has 16 divisors (see below), whose sum is σ = 367530048. Its totient is φ = 81551680.

The previous prime is 204031231. The next prime is 204031271. The reversal of 204031270 is 72130402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204031271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8010 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (22970628).

Almost surely, 2204031270 is an apocalyptic number.

204031270 is a deficient number, since it is larger than the sum of its proper divisors (163498778).

204031270 is a wasteful number, since it uses less digits than its factorization.

204031270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 204031270 is about 14283.9514840957. The cubic root of 204031270 is about 588.7066084443.

Adding to 204031270 its reverse (72130402), we get a palindrome (276161672).

The spelling of 204031270 in words is "two hundred four million, thirty-one thousand, two hundred seventy".

Divisors: 1 2 5 10 1487 2974 7435 13721 14870 27442 68605 137210 20403127 40806254 102015635 204031270