Search a number
-
+
204354053 = 1210716879
BaseRepresentation
bin11000010111000…
…11001000000101
3112020112021001122
430023203020011
5404303312203
632140003325
75030660261
oct1413431005
9466467048
10204354053
11a5397252
1258530545
1333450077
141d1d70a1
1512e19538
hexc2e3205

204354053 has 4 divisors (see below), whose sum is σ = 204383040. Its totient is φ = 204325068.

The previous prime is 204354043. The next prime is 204354079. The reversal of 204354053 is 350453402.

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 204354053 - 210 = 204353029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204354013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668 + ... + 20546.

It is an arithmetic number, because the mean of its divisors is an integer number (51095760).

Almost surely, 2204354053 is an apocalyptic number.

It is an amenable number.

204354053 is a deficient number, since it is larger than the sum of its proper divisors (28987).

204354053 is a wasteful number, since it uses less digits than its factorization.

204354053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28986.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 204354053 is about 14295.2458181033. The cubic root of 204354053 is about 589.0168948124.

The spelling of 204354053 in words is "two hundred four million, three hundred fifty-four thousand, fifty-three".

Divisors: 1 12107 16879 204354053