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86080144 = 245380009
BaseRepresentation
bin1010010000101…
…11101010010000
312222222022202111
411020113222100
5134014031034
612312555104
72063445343
oct510275220
9188868674
1086080144
1144654317
12249b2a94
1314aab9c7
14b60a45a
157855364
hex5217a90

86080144 has 10 divisors (see below), whose sum is σ = 166780310. Its totient is φ = 43040064.

The previous prime is 86080097. The next prime is 86080147. The reversal of 86080144 is 44108068.

It can be written as a sum of positive squares in only one way, i.e., 79423744 + 6656400 = 8912^2 + 2580^2 .

It is not an unprimeable number, because it can be changed into a prime (86080147) 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 as a sum of consecutive naturals, namely, 2689989 + ... + 2690020.

It is an arithmetic number, because the mean of its divisors is an integer number (16678031).

Almost surely, 286080144 is an apocalyptic number.

It is an amenable number.

86080144 is a deficient number, since it is larger than the sum of its proper divisors (80700166).

86080144 is a wasteful number, since it uses less digits than its factorization.

86080144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380017 (or 5380011 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 86080144 is about 9277.9385641424. The cubic root of 86080144 is about 441.5375684075.

The spelling of 86080144 in words is "eighty-six million, eighty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 5380009 10760018 21520036 43040072 86080144