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204452305 = 5353115837
BaseRepresentation
bin11000010111110…
…11000111010001
3112020201020211121
430023323013101
5404314433210
632142042241
75031546601
oct1413730721
9466636747
10204452305
11a5454052
1258579381
13334859c5
141d220c01
1512e386da
hexc2fb1d1

204452305 has 8 divisors (see below), whose sum is σ = 246039912. Its totient is φ = 163097088.

The previous prime is 204452279. The next prime is 204452327. The reversal of 204452305 is 503254402.

It can be written as a sum of positive squares in 4 ways, for example, as 9235521 + 195216784 = 3039^2 + 13972^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204452305 - 225 = 170897873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204452305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56154 + ... + 59683.

It is an arithmetic number, because the mean of its divisors is an integer number (30754989).

Almost surely, 2204452305 is an apocalyptic number.

It is an amenable number.

204452305 is a deficient number, since it is larger than the sum of its proper divisors (41587607).

204452305 is a wasteful number, since it uses less digits than its factorization.

204452305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116195.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 204452305 is about 14298.6819322621. The cubic root of 204452305 is about 589.1112780894. Note that the first 3 decimals are identical.

The spelling of 204452305 in words is "two hundred four million, four hundred fifty-two thousand, three hundred five".

Divisors: 1 5 353 1765 115837 579185 40890461 204452305