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85076161 is a prime number
BaseRepresentation
bin1010001001000…
…10100011000001
312221002022112221
411010202203001
5133234414121
612235251041
72052064312
oct504424301
9187068487
1085076161
1144028a85
12245a9a81
1314819a31
14b428609
157707b41
hex51228c1

85076161 has 2 divisors, whose sum is σ = 85076162. Its totient is φ = 85076160.

The previous prime is 85076141. The next prime is 85076191. The reversal of 85076161 is 16167058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 28826161 = 7500^2 + 5369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85076161 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (85076141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42538080 + 42538081.

It is an arithmetic number, because the mean of its divisors is an integer number (42538081).

Almost surely, 285076161 is an apocalyptic number.

It is an amenable number.

85076161 is a deficient number, since it is larger than the sum of its proper divisors (1).

85076161 is an equidigital number, since it uses as much as digits as its factorization.

85076161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 85076161 is about 9223.6739426326. The cubic root of 85076161 is about 439.8142483843.

The spelling of 85076161 in words is "eighty-five million, seventy-six thousand, one hundred sixty-one".