EXHIBIT 23(a) June 25, 1998 CONSENT OF INDEPENDENT ACCOUNTANTS We consent to the incorporation by reference in the Registration Statements (Form Statement No. 33-55336, No. 33-55304, No. 33-62508, and No. 333-26515 on Form S-8, and 33-61842 on Form S-3) pertaining to Republic Bancorp Inc. Tax-Deferred Savings Plan and Trust of our report dated June 12, 1998 with respect to the financial statements and schedules of the Republic Bancorp Inc. Tax-Deferred Savings Plan and Trust included in this annual report (Form 11-K) for the year ended December 31, 1997. /s/ Ernst & Young LLP Detroit, Michigan June 25, 1998 - 16-