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86808650 = 2521736173
BaseRepresentation
bin1010010110010…
…01100001001010
320001100100002012
411023021201022
5134210334100
612340335522
72102601305
oct513114112
9201310065
1086808650
1145001695
12250a45a2
1314ca5486
14b759b3c
15794b135
hex52c984a

86808650 has 12 divisors (see below), whose sum is σ = 161464182. Its totient is φ = 34723440.

The previous prime is 86808619. The next prime is 86808653. The reversal of 86808650 is 5680868.

It can be written as a sum of positive squares in 3 ways, for example, as 35557369 + 51251281 = 5963^2 + 7159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86808598 and 86808607.

It is not an unprimeable number, because it can be changed into a prime (86808653) 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 5 ways as a sum of consecutive naturals, for example, 868037 + ... + 868136.

Almost surely, 286808650 is an apocalyptic number.

86808650 is a deficient number, since it is larger than the sum of its proper divisors (74655532).

86808650 is a wasteful number, since it uses less digits than its factorization.

86808650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736185 (or 1736180 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 86808650 is about 9317.1159700843. The cubic root of 86808650 is about 442.7796651042.

The spelling of 86808650 in words is "eighty-six million, eight hundred eight thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 1736173 3472346 8680865 17361730 43404325 86808650