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86209008 = 2431796021
BaseRepresentation
bin1010010001101…
…11000111110000
320000012212112020
411020313013300
5134032142013
612315431440
72064523134
oct510670760
9200185466
1086209008
1144732116
1224a55580
1314b25562
14b6413c4
15787d623
hex52371f0

86209008 has 20 divisors (see below), whose sum is σ = 222706728. Its totient is φ = 28736320.

The previous prime is 86209007. The next prime is 86209021. The reversal of 86209008 is 80090268.

It is a self number, because there is not a number n which added to its sum of digits gives 86209008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86209003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897963 + ... + 898058.

Almost surely, 286209008 is an apocalyptic number.

It is an amenable number.

86209008 is an abundant number, since it is smaller than the sum of its proper divisors (136497720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86209008 is a wasteful number, since it uses less digits than its factorization.

86209008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796032 (or 1796026 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 86209008 is about 9284.8806131258. The cubic root of 86209008 is about 441.7577892601.

The spelling of 86209008 in words is "eighty-six million, two hundred nine thousand, eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1796021 3592042 5388063 7184084 10776126 14368168 21552252 28736336 43104504 86209008