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85883117 is a prime number
BaseRepresentation
bin1010001111001…
…11100011101101
312222121022111012
411013213203231
5133441224432
612304435005
72061665045
oct507474355
9188538435
1085883117
114452a291
1224918a65
1314a40118
14b598725
157816cb2
hex51e78ed

85883117 has 2 divisors, whose sum is σ = 85883118. Its totient is φ = 85883116.

The previous prime is 85883111. The next prime is 85883129. The reversal of 85883117 is 71138858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78517321 + 7365796 = 8861^2 + 2714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85883117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85883111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42941558 + 42941559.

It is an arithmetic number, because the mean of its divisors is an integer number (42941559).

Almost surely, 285883117 is an apocalyptic number.

It is an amenable number.

85883117 is a deficient number, since it is larger than the sum of its proper divisors (1).

85883117 is an equidigital number, since it uses as much as digits as its factorization.

85883117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 41.

The square root of 85883117 is about 9267.3144437858. The cubic root of 85883117 is about 441.2004357599.

The spelling of 85883117 in words is "eighty-five million, eight hundred eighty-three thousand, one hundred seventeen".