Search a number
-
+
68054095 = 513610819
BaseRepresentation
bin1000000111001…
…10110001001111
311202001111200001
410003212301033
5114410212340
610430345131
71454310304
oct403466117
9152044601
1068054095
113546205a
121a95b1a7
1311139bc5
1490770ab
155e9429a
hex40e6c4f

68054095 has 4 divisors (see below), whose sum is σ = 81664920. Its totient is φ = 54443272.

The previous prime is 68054087. The next prime is 68054113. The reversal of 68054095 is 59045086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59045086 = 229522543.

It is a cyclic number.

It is not a de Polignac number, because 68054095 - 23 = 68054087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6805405 + ... + 6805414.

It is an arithmetic number, because the mean of its divisors is an integer number (20416230).

Almost surely, 268054095 is an apocalyptic number.

68054095 is a deficient number, since it is larger than the sum of its proper divisors (13610825).

68054095 is a wasteful number, since it uses less digits than its factorization.

68054095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13610824.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 68054095 is about 8249.4905903334. The cubic root of 68054095 is about 408.2737153925.

Subtracting from 68054095 its reverse (59045086), we obtain a palindrome (9009009).

The spelling of 68054095 in words is "sixty-eight million, fifty-four thousand, ninety-five".

Divisors: 1 5 13610819 68054095