Search a number
-
+
205077413 = 1007920347
BaseRepresentation
bin11000011100100…
…11101110100101
3112021220000022202
430032103232211
5404444434123
632203304245
75040062222
oct1416235645
9467800282
10205077413
11a5840772
125881b085
13336443a8
141d344949
151300da28
hexc393ba5

205077413 has 4 divisors (see below), whose sum is σ = 205107840. Its totient is φ = 205046988.

The previous prime is 205077401. The next prime is 205077463. The reversal of 205077413 is 314770502.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 205077413 - 26 = 205077349 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 (205077463) 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, 95 + ... + 20252.

It is an arithmetic number, because the mean of its divisors is an integer number (51276960).

Almost surely, 2205077413 is an apocalyptic number.

It is an amenable number.

205077413 is a deficient number, since it is larger than the sum of its proper divisors (30427).

205077413 is a wasteful number, since it uses less digits than its factorization.

205077413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30426.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 205077413 is about 14320.5241873334. The cubic root of 205077413 is about 589.7110650757.

The spelling of 205077413 in words is "two hundred five million, seventy-seven thousand, four hundred thirteen".

Divisors: 1 10079 20347 205077413