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205433441 = 1933106277
BaseRepresentation
bin11000011111010…
…10101001100001
3112022120002200222
430033222221201
5410042332231
632215052425
75043104213
oct1417525141
9468502628
10205433441
11a5a64204
1258971115
133373a465
141d3d85b3
151307e27b
hexc3eaa61

205433441 has 4 divisors (see below), whose sum is σ = 205541652. Its totient is φ = 205325232.

The previous prime is 205433429. The next prime is 205433443. The reversal of 205433441 is 144334502.

205433441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187115041 + 18318400 = 13679^2 + 4280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-205433441 is a prime.

It is a super-2 number, since 2×2054334412 = 84405797362200962, which contains 22 as substring.

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 205433441.

It is not an unprimeable number, because it can be changed into a prime (205433443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51206 + ... + 55071.

It is an arithmetic number, because the mean of its divisors is an integer number (51385413).

Almost surely, 2205433441 is an apocalyptic number.

It is an amenable number.

205433441 is a deficient number, since it is larger than the sum of its proper divisors (108211).

205433441 is a wasteful number, since it uses less digits than its factorization.

205433441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108210.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 205433441 is about 14332.9494871084. The cubic root of 205433441 is about 590.0521269658.

Adding to 205433441 its reverse (144334502), we get a palindrome (349767943).

The spelling of 205433441 in words is "two hundred five million, four hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 1933 106277 205433441