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86020793 = 1371813469
BaseRepresentation
bin1010010000010…
…01001010111001
312222212022100022
411020021022321
5134010131133
612311420225
72063110325
oct510111271
9188768308
1086020793
1144613771
1224984675
1314a8a9a1
14b5d2985
157842998
hex52092b9

86020793 has 8 divisors (see below), whose sum is σ = 87152520. Its totient is φ = 84896640.

The previous prime is 86020789. The next prime is 86020807. The reversal of 86020793 is 39702068.

It can be written as a sum of positive squares in 4 ways, for example, as 3810304 + 82210489 = 1952^2 + 9067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86020793 - 22 = 86020789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86020093) 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 7 ways as a sum of consecutive naturals, for example, 23063 + ... + 26531.

It is an arithmetic number, because the mean of its divisors is an integer number (10894065).

Almost surely, 286020793 is an apocalyptic number.

It is an amenable number.

86020793 is a deficient number, since it is larger than the sum of its proper divisors (1131727).

86020793 is a wasteful number, since it uses less digits than its factorization.

86020793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 86020793 is about 9274.7395111669. The cubic root of 86020793 is about 441.4360671781.

The spelling of 86020793 in words is "eighty-six million, twenty thousand, seven hundred ninety-three".

Divisors: 1 137 181 3469 24797 475253 627889 86020793