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85206303 = 3371334679
BaseRepresentation
bin1010001010000…
…10010100011111
312221022221002000
411011002110133
5133303100203
612242133343
72053145610
oct505022437
9187287060
1085206303
1144107836
1224651253
1314864040
14b45dc07
1577314a3
hex514251f

85206303 has 32 divisors (see below), whose sum is σ = 155366400. Its totient is φ = 44942688.

The previous prime is 85206287. The next prime is 85206313. The reversal of 85206303 is 30360258.

85206303 is a `hidden beast` number, since 8 + 5 + 20 + 630 + 3 = 666.

It is not a de Polignac number, because 85206303 - 24 = 85206287 is a prime.

It is a super-2 number, since 2×852063032 = 14520228141855618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85206313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14883 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (4855200).

Almost surely, 285206303 is an apocalyptic number.

85206303 is a deficient number, since it is larger than the sum of its proper divisors (70160097).

85206303 is a wasteful number, since it uses less digits than its factorization.

85206303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34708 (or 34702 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 85206303 is about 9230.7260277835. The cubic root of 85206303 is about 440.0383971312.

The spelling of 85206303 in words is "eighty-five million, two hundred six thousand, three hundred three".

Divisors: 1 3 7 9 13 21 27 39 63 91 117 189 273 351 819 2457 34679 104037 242753 312111 450827 728259 936333 1352481 2184777 3155789 4057443 6554331 9467367 12172329 28402101 85206303