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85914081 = 3311289273
BaseRepresentation
bin1010001111011…
…11000111100001
312222122212222000
411013233013201
5133443222311
612305234213
72062154241
oct507570741
9188585860
1085914081
1144550580
1224932969
1314a51246
14b5a5b21
157821056
hex51ef1e1

85914081 has 16 divisors (see below), whose sum is σ = 138851520. Its totient is φ = 52068960.

The previous prime is 85914079. The next prime is 85914083. The reversal of 85914081 is 18041958.

It is an interprime number because it is at equal distance from previous prime (85914079) and next prime (85914083).

It is not a de Polignac number, because 85914081 - 21 = 85914079 is a prime.

It is a super-2 number, since 2×859140812 = 14762458628149122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (85914083) 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, 144340 + ... + 144933.

It is an arithmetic number, because the mean of its divisors is an integer number (8678220).

Almost surely, 285914081 is an apocalyptic number.

It is an amenable number.

85914081 is a deficient number, since it is larger than the sum of its proper divisors (52937439).

85914081 is a wasteful number, since it uses less digits than its factorization.

85914081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289293 (or 289287 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 85914081 is about 9268.9848958772. The cubic root of 85914081 is about 441.2534523453.

The spelling of 85914081 in words is "eighty-five million, nine hundred fourteen thousand, eighty-one".

Divisors: 1 3 9 11 27 33 99 297 289273 867819 2603457 3182003 7810371 9546009 28638027 85914081