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86028770 = 25191014483
BaseRepresentation
bin1010010000010…
…11000111100010
312222212201021202
411020023013202
5134010410040
612311521202
72063142512
oct510130742
9188781252
1086028770
1144619763
1224989202
1314a914c9
14b5d5842
157845015
hex520b1e2

86028770 has 32 divisors (see below), whose sum is σ = 164652480. Its totient is φ = 32270400.

The previous prime is 86028743. The next prime is 86028773. The reversal of 86028770 is 7782068.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (86028773) 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 15 ways as a sum of consecutive naturals, for example, 16949 + ... + 21431.

It is an arithmetic number, because the mean of its divisors is an integer number (5145390).

Almost surely, 286028770 is an apocalyptic number.

86028770 is a deficient number, since it is larger than the sum of its proper divisors (78623710).

86028770 is a wasteful number, since it uses less digits than its factorization.

86028770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 86028770 is about 9275.1695402294. The cubic root of 86028770 is about 441.4497120444.

The spelling of 86028770 in words is "eighty-six million, twenty-eight thousand, seven hundred seventy".

Divisors: 1 2 5 10 19 38 95 101 190 202 505 1010 1919 3838 4483 8966 9595 19190 22415 44830 85177 170354 425885 452783 851770 905566 2263915 4527830 8602877 17205754 43014385 86028770