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86000445 = 3251911121
BaseRepresentation
bin1010010000001…
…00001100111101
312222211021102200
411020010030331
5134004003240
612311142113
72062664106
oct510041475
9188737380
1086000445
11445aa453
1224974939
1314a8164b
14b5c93ad
15783b930
hex520433d

86000445 has 12 divisors (see below), whose sum is σ = 149067516. Its totient is φ = 45866880.

The previous prime is 86000443. The next prime is 86000449. The reversal of 86000445 is 54400068.

It can be written as a sum of positive squares in 2 ways, for example, as 56385081 + 29615364 = 7509^2 + 5442^2 .

It is not a de Polignac number, because 86000445 - 21 = 86000443 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86000443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955516 + ... + 955605.

It is an arithmetic number, because the mean of its divisors is an integer number (12422293).

Almost surely, 286000445 is an apocalyptic number.

It is an amenable number.

86000445 is a deficient number, since it is larger than the sum of its proper divisors (63067071).

86000445 is a wasteful number, since it uses less digits than its factorization.

86000445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911132 (or 1911129 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 86000445 is about 9273.6424882567. The cubic root of 86000445 is about 441.4012575732.

The spelling of 86000445 in words is "eighty-six million, four hundred forty-five", and thus it is an aban number.

Divisors: 1 3 5 9 15 45 1911121 5733363 9555605 17200089 28666815 86000445