Search a number
-
+
205050413 = 17219107349
BaseRepresentation
bin11000011100011…
…01001000101101
3112021211122021202
430032031020231
5404443103123
632202535245
75036620421
oct1416151055
9467748252
10205050413
11a5822457
1258807525
1333635009
141d338b81
1513005a28
hexc38d22d

205050413 has 24 divisors (see below), whose sum is σ = 232092000. Its totient is φ = 180603648.

The previous prime is 205050403. The next prime is 205050427. The reversal of 205050413 is 314050502.

It is not a de Polignac number, because 205050413 - 24 = 205050397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205050403) 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 23 ways as a sum of consecutive naturals, for example, 587363 + ... + 587711.

It is an arithmetic number, because the mean of its divisors is an integer number (9670500).

Almost surely, 2205050413 is an apocalyptic number.

It is an amenable number.

205050413 is a deficient number, since it is larger than the sum of its proper divisors (27041587).

205050413 is a wasteful number, since it uses less digits than its factorization.

205050413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 205050413 is about 14319.5814533805. The cubic root of 205050413 is about 589.6851839587.

The spelling of 205050413 in words is "two hundred five million, fifty thousand, four hundred thirteen".

Divisors: 1 17 19 107 289 323 349 1819 2033 5491 5933 6631 30923 34561 37343 100861 112727 587537 634831 709517 1916359 10792127 12061789 205050413