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86840348 = 2272443063
BaseRepresentation
bin1010010110100…
…01010000011100
320001101221120012
411023101100130
5134212342343
612341142352
72103062600
oct513212034
9201357505
1086840348
1145023491
12250ba9b8
1314cb6a2a
14b767500
157955718
hex52d141c

86840348 has 18 divisors (see below), whose sum is σ = 176782536. Its totient is φ = 37217208.

The previous prime is 86840321. The next prime is 86840353. The reversal of 86840348 is 84304868.

It is a super-2 number, since 2×868403482 = 15082492081522208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 221336 + ... + 221727.

It is an arithmetic number, because the mean of its divisors is an integer number (9821252).

Almost surely, 286840348 is an apocalyptic number.

It is an amenable number.

86840348 is an abundant number, since it is smaller than the sum of its proper divisors (89942188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86840348 is a wasteful number, since it uses less digits than its factorization.

86840348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443081 (or 443072 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 86840348 is about 9318.8168776943. The cubic root of 86840348 is about 442.8335519072.

The spelling of 86840348 in words is "eighty-six million, eight hundred forty thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 443063 886126 1772252 3101441 6202882 12405764 21710087 43420174 86840348