What is the sum of the digits of the decimal form of the number represented by brain teaser 22/24/2024 The concept of a decimal digit sum is closely related to, but not the same as, the digital root, which is the result of repeatedly applying the digit sum operation until the remaining value is only a single digit. The digit sum can be extended to the negative integers by use of a signed-digit representation to represent each integer. Borwein & Borwein (1992) use the generating function of this integer sequence (and of the analogous sequence for binary digit sums) to derive several rapidly converging series with rational and transcendental sums. is given by OEIS: A007953 in the On-Line Encyclopedia of Integer Sequences. The sum of the base 10 digits of the integers 0, 1, 2. For example, the digit sum of the decimal number 9045 In mathematics, the digit sum of a natural number in a given number base is the sum of all its digits.
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