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204925401 = 32435397103
BaseRepresentation
bin11000011011011…
…10100111011001
3112021121021210200
430031232213121
5404430103101
632200132413
75035560102
oct1415564731
9467537720
10204925401
11a574753a
1258767109
13335c0145
141d3053a9
1512ecd986
hexc36e9d9

204925401 has 48 divisors (see below), whose sum is σ = 314810496. Its totient is φ = 128314368.

The previous prime is 204925379. The next prime is 204925411. The reversal of 204925401 is 104529402.

It is not a de Polignac number, because 204925401 - 226 = 137816537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204925411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1989516 + ... + 1989618.

It is an arithmetic number, because the mean of its divisors is an integer number (6558552).

Almost surely, 2204925401 is an apocalyptic number.

It is an amenable number.

204925401 is a deficient number, since it is larger than the sum of its proper divisors (109885095).

204925401 is a wasteful number, since it uses less digits than its factorization.

204925401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 204925401 is about 14315.2157161532. The cubic root of 204925401 is about 589.5653228487.

The spelling of 204925401 in words is "two hundred four million, nine hundred twenty-five thousand, four hundred one".

Divisors: 1 3 9 43 53 97 103 129 159 291 309 387 477 873 927 2279 4171 4429 5141 5459 6837 9991 12513 13287 15423 16377 20511 29973 37539 39861 46269 49131 89919 221063 234737 429613 529523 663189 704211 1288839 1588569 1989567 2112633 3866517 4765707 22769489 68308467 204925401