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85452273 = 3317917681
BaseRepresentation
bin1010001011111…
…10010111110001
312221210102111000
411011332113301
5133333433043
612251312213
72055221664
oct505762761
9187712430
1085452273
1144265615
122474b669
131491bc9a
14b4c56db
15777e2d3
hex517e5f1

85452273 has 16 divisors (see below), whose sum is σ = 127310400. Its totient is φ = 56646720.

The previous prime is 85452229. The next prime is 85452281. The reversal of 85452273 is 37225458.

It is not a de Polignac number, because 85452273 - 29 = 85451761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85452293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4008 + ... + 13673.

It is an arithmetic number, because the mean of its divisors is an integer number (7956900).

Almost surely, 285452273 is an apocalyptic number.

It is an amenable number.

85452273 is a deficient number, since it is larger than the sum of its proper divisors (41858127).

85452273 is a wasteful number, since it uses less digits than its factorization.

85452273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17869 (or 17863 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 85452273 is about 9244.0398636094. The cubic root of 85452273 is about 440.4614184994.

The spelling of 85452273 in words is "eighty-five million, four hundred fifty-two thousand, two hundred seventy-three".

Divisors: 1 3 9 27 179 537 1611 4833 17681 53043 159129 477387 3164899 9494697 28484091 85452273