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86027786 = 2131721072
BaseRepresentation
bin1010010000010…
…10111000001010
312222212122221022
411020022320022
5134010342121
612311512442
72063136605
oct510127012
9188778838
1086027786
1144618a49
1224988722
1314a90c20
14b5d533c
157844aab
hex520ae0a

86027786 has 36 divisors (see below), whose sum is σ = 149015958. Its totient is φ = 37020288.

The previous prime is 86027783. The next prime is 86027819. The reversal of 86027786 is 68772068.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 78872161 + 7155625 = 8881^2 + 2675^2 .

It is not an unprimeable number, because it can be changed into a prime (86027783) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 803945 + ... + 804051.

Almost surely, 286027786 is an apocalyptic number.

86027786 is a deficient number, since it is larger than the sum of its proper divisors (62988172).

86027786 is a wasteful number, since it uses less digits than its factorization.

86027786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 86027786 is about 9275.1164952253. The cubic root of 86027786 is about 441.4480289324.

The spelling of 86027786 in words is "eighty-six million, twenty-seven thousand, seven hundred eighty-six".

Divisors: 1 2 13 17 26 34 107 214 221 289 442 578 1391 1819 2782 3638 3757 7514 11449 22898 23647 30923 47294 61846 148837 194633 297674 389266 401999 803998 2530229 3308761 5060458 6617522 43013893 86027786