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204130433 = 13194871697
BaseRepresentation
bin11000010101011…
…00100010000001
3112020002220022102
430022230202001
5404224133213
632131120145
75026036313
oct1412544201
9466086272
10204130433
11a5254241
1258443055
13333a2350
141d1797b3
1512dc3158
hexc2ac881

204130433 has 16 divisors (see below), whose sum is σ = 232014720. Its totient is φ = 178039296.

The previous prime is 204130403. The next prime is 204130439. The reversal of 204130433 is 334031402.

It is a cyclic number.

It is not a de Polignac number, because 204130433 - 28 = 204130177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204130439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119441 + ... + 121137.

It is an arithmetic number, because the mean of its divisors is an integer number (14500920).

Almost surely, 2204130433 is an apocalyptic number.

It is an amenable number.

204130433 is a deficient number, since it is larger than the sum of its proper divisors (27884287).

204130433 is a wasteful number, since it uses less digits than its factorization.

204130433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 204130433 is about 14287.4221957637. The cubic root of 204130433 is about 588.8019671254.

Adding to 204130433 its reverse (334031402), we get a palindrome (538161835).

The spelling of 204130433 in words is "two hundred four million, one hundred thirty thousand, four hundred thirty-three".

Divisors: 1 13 19 247 487 1697 6331 9253 22061 32243 120289 419159 826439 10743707 15702341 204130433