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205677041 = 434783187
BaseRepresentation
bin11000100001001…
…10000111110001
3112100000110212012
430100212013301
5410123131131
632224212305
75045140343
oct1420460761
9470013765
10205677041
11a6110229
1258a6a095
13337c42bb
141d45d293
15130cb52b
hexc4261f1

205677041 has 4 divisors (see below), whose sum is σ = 210460272. Its totient is φ = 200893812.

The previous prime is 205677007. The next prime is 205677061. The reversal of 205677041 is 140776502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140776502 = 270388251.

It is a cyclic number.

It is not a de Polignac number, because 205677041 - 210 = 205676017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205676989 and 205677007.

It is not an unprimeable number, because it can be changed into a prime (205677001) 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, 2391551 + ... + 2391636.

It is an arithmetic number, because the mean of its divisors is an integer number (52615068).

Almost surely, 2205677041 is an apocalyptic number.

It is an amenable number.

205677041 is a deficient number, since it is larger than the sum of its proper divisors (4783231).

205677041 is an equidigital number, since it uses as much as digits as its factorization.

205677041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783230.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 205677041 is about 14341.4448714207. Note that the first 3 decimals coincide. The cubic root of 205677041 is about 590.2852599312.

It can be divided in two parts, 2056 and 77041, that added together give a palindrome (79097).

The spelling of 205677041 in words is "two hundred five million, six hundred seventy-seven thousand, forty-one".

Divisors: 1 43 4783187 205677041