Petition to lease, sell, mortgage or pledge personal estate-notice.) Before leasing, selling, mortgaging or pledging any personal estate the representative shall file a petition in the court which issued his letters stating the facts and circumstances on which it is founded and a brief description of the personal estate sought to be leased, sold, mortgaged or pledged. The court may order such notice of the time and place of the hearing on the petition to be given to any interested persons as it deems expedient or the court may hear the petition without notice.