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86069817 = 3317411831
BaseRepresentation
bin1010010000101…
…01001000111001
312222221210121000
411020111020321
5134013213232
612312435213
72063403261
oct510251071
9188853530
1086069817
1144647589
12249a8b09
1314aa70b2
14b6067a1
15785227c
hex5215239

86069817 has 16 divisors (see below), whose sum is σ = 127653760. Its totient is φ = 57315600.

The previous prime is 86069813. The next prime is 86069833. The reversal of 86069817 is 71896068.

It is a happy number.

It is not a de Polignac number, because 86069817 - 22 = 86069813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86069813) 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, 46092 + ... + 47922.

It is an arithmetic number, because the mean of its divisors is an integer number (7978360).

Almost surely, 286069817 is an apocalyptic number.

It is an amenable number.

86069817 is a deficient number, since it is larger than the sum of its proper divisors (41583943).

86069817 is a wasteful number, since it uses less digits than its factorization.

86069817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 86069817 is about 9277.3820121843. The cubic root of 86069817 is about 441.5199106736.

The spelling of 86069817 in words is "eighty-six million, sixty-nine thousand, eight hundred seventeen".

Divisors: 1 3 9 27 1741 1831 5223 5493 15669 16479 47007 49437 3187771 9563313 28689939 86069817