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85183187 is a prime number
BaseRepresentation
bin1010001001111…
…00101011010011
312221021202100212
411010330223103
5133301330222
612241434335
72053021325
oct504745323
9187252325
1085183187
11440a1431
122463b9ab
131485666b
14b455615
1577296e2
hex513cad3

85183187 has 2 divisors, whose sum is σ = 85183188. Its totient is φ = 85183186.

The previous prime is 85183157. The next prime is 85183201. The reversal of 85183187 is 78138158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85183187 - 26 = 85183123 is a prime.

It is not a weakly prime, because it can be changed into another prime (85183127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42591593 + 42591594.

It is an arithmetic number, because the mean of its divisors is an integer number (42591594).

Almost surely, 285183187 is an apocalyptic number.

85183187 is a deficient number, since it is larger than the sum of its proper divisors (1).

85183187 is an equidigital number, since it uses as much as digits as its factorization.

85183187 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 85183187 is about 9229.4738203215. The cubic root of 85183187 is about 439.9986002022.

The spelling of 85183187 in words is "eighty-five million, one hundred eighty-three thousand, one hundred eighty-seven".