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205241230 = 25191080217
BaseRepresentation
bin11000011101110…
…11101110001110
3112022012100001001
430032323232032
5410020204410
632211010514
75041343635
oct1416735616
9468170031
10205241230
11a5942857
1258899a3a
13336a0b1c
141d38851c
151304233a
hexc3bbb8e

205241230 has 16 divisors (see below), whose sum is σ = 388878480. Its totient is φ = 77775552.

The previous prime is 205241159. The next prime is 205241243. The reversal of 205241230 is 32142502.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 205241198 and 205241207.

It is a congruent number.

It is an unprimeable number.

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, 539919 + ... + 540298.

It is an arithmetic number, because the mean of its divisors is an integer number (24304905).

Almost surely, 2205241230 is an apocalyptic number.

205241230 is a deficient number, since it is larger than the sum of its proper divisors (183637250).

205241230 is a wasteful number, since it uses less digits than its factorization.

205241230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080243.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 205241230 is about 14326.2427035144. The cubic root of 205241230 is about 589.8680447982.

Adding to 205241230 its reverse (32142502), we get a palindrome (237383732).

The spelling of 205241230 in words is "two hundred five million, two hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1080217 2160434 5401085 10802170 20524123 41048246 102620615 205241230