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69472141 is a prime number
BaseRepresentation
bin1000010010000…
…00111110001101
311211201112212021
410021000332031
5120241102031
610521010141
71502334454
oct411007615
9154645767
1069472141
11362404a2
121b323951
131151549b
149325b9b
156174511
hex4240f8d

69472141 has 2 divisors, whose sum is σ = 69472142. Its totient is φ = 69472140.

The previous prime is 69472127. The next prime is 69472159. The reversal of 69472141 is 14127496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48358116 + 21114025 = 6954^2 + 4595^2 .

It is a cyclic number.

It is not a de Polignac number, because 69472141 - 29 = 69471629 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 69472097 and 69472106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69472111) 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 as a sum of consecutive naturals, namely, 34736070 + 34736071.

It is an arithmetic number, because the mean of its divisors is an integer number (34736071).

Almost surely, 269472141 is an apocalyptic number.

It is an amenable number.

69472141 is a deficient number, since it is larger than the sum of its proper divisors (1).

69472141 is an equidigital number, since it uses as much as digits as its factorization.

69472141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 69472141 is about 8334.9949610063. The cubic root of 69472141 is about 411.0899829225.

The spelling of 69472141 in words is "sixty-nine million, four hundred seventy-two thousand, one hundred forty-one".