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86828212 = 2221707053
BaseRepresentation
bin1010010110011…
…10010010110100
320001101022220201
411023032102310
5134212000322
612341010244
72103012322
oct513162264
9201338821
1086828212
1145015359
12250b3984
1314cb1353
14b762d12
157951d27
hex52ce4b4

86828212 has 6 divisors (see below), whose sum is σ = 151949378. Its totient is φ = 43414104.

The previous prime is 86828177. The next prime is 86828219. The reversal of 86828212 is 21282868.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 226576 = 9306^2 + 476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86828219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10853523 + ... + 10853530.

Almost surely, 286828212 is an apocalyptic number.

It is an amenable number.

86828212 is a deficient number, since it is larger than the sum of its proper divisors (65121166).

86828212 is a wasteful number, since it uses less digits than its factorization.

86828212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21707057 (or 21707055 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 86828212 is about 9318.1656993209. The cubic root of 86828212 is about 442.8129221789.

The spelling of 86828212 in words is "eighty-six million, eight hundred twenty-eight thousand, two hundred twelve".

Divisors: 1 2 4 21707053 43414106 86828212