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86795969 = 133724877
BaseRepresentation
bin1010010110001…
…10011011000001
320001022200200112
411023012123001
5134204432334
612340201105
72102516321
oct513063301
9201280615
1086795969
1144aa3107
1225099195
1314c9c780
14b755281
1579474ce
hex52c66c1

86795969 has 12 divisors (see below), whose sum is σ = 96086844. Its totient is φ = 77937984.

The previous prime is 86795963. The next prime is 86795977. The reversal of 86795969 is 96959768.

It can be written as a sum of positive squares in 6 ways, for example, as 1787569 + 85008400 = 1337^2 + 9220^2 .

It is not a de Polignac number, because 86795969 - 24 = 86795953 is a prime.

It is a super-2 number, since 2×867959692 = 15067080469297922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86795963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15359 + ... + 20235.

It is an arithmetic number, because the mean of its divisors is an integer number (8007237).

Almost surely, 286795969 is an apocalyptic number.

It is an amenable number.

86795969 is a deficient number, since it is larger than the sum of its proper divisors (9290875).

86795969 is a wasteful number, since it uses less digits than its factorization.

86795969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964 (or 4927 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 59.

The square root of 86795969 is about 9316.4354234868. The cubic root of 86795969 is about 442.7581036494.

The spelling of 86795969 in words is "eighty-six million, seven hundred ninety-five thousand, nine hundred sixty-nine".

Divisors: 1 13 37 481 1369 4877 17797 63401 180449 2345837 6676613 86795969