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68575141 is a prime number
BaseRepresentation
bin1000001011001…
…01111110100101
311210000222102001
410011211332211
5120023401031
610445445301
71461610345
oct405457645
9153028361
1068575141
1135788578
121ab70831
131129010b
149170d25
156048861
hex4165fa5

68575141 has 2 divisors, whose sum is σ = 68575142. Its totient is φ = 68575140.

The previous prime is 68575099. The next prime is 68575147. The reversal of 68575141 is 14157586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49999041 + 18576100 = 7071^2 + 4310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68575141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68575141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68575147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34287570 + 34287571.

It is an arithmetic number, because the mean of its divisors is an integer number (34287571).

Almost surely, 268575141 is an apocalyptic number.

It is an amenable number.

68575141 is a deficient number, since it is larger than the sum of its proper divisors (1).

68575141 is an equidigital number, since it uses as much as digits as its factorization.

68575141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 37.

The square root of 68575141 is about 8281.0108682455. The cubic root of 68575141 is about 409.3130296499.

The spelling of 68575141 in words is "sixty-eight million, five hundred seventy-five thousand, one hundred forty-one".