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86708540 = 2254335427
BaseRepresentation
bin1010010101100…
…01000100111100
320001011020202102
411022301010330
5134144133130
612334244232
72102003402
oct512610474
9201136672
1086708540
1144a43456
1225056678
1314c6ba39
14b731472
15792b645
hex52b113c

86708540 has 12 divisors (see below), whose sum is σ = 182087976. Its totient is φ = 34683408.

The previous prime is 86708539. The next prime is 86708543. The reversal of 86708540 is 4580768.

It is a junction number, because it is equal to n+sod(n) for n = 86708494 and 86708503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86708543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167694 + ... + 2167733.

It is an arithmetic number, because the mean of its divisors is an integer number (15173998).

Almost surely, 286708540 is an apocalyptic number.

It is an amenable number.

86708540 is an abundant number, since it is smaller than the sum of its proper divisors (95379436).

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

86708540 is a wasteful number, since it uses less digits than its factorization.

86708540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335436 (or 4335434 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 86708540 is about 9311.7420496919. The cubic root of 86708540 is about 442.6093912788.

The spelling of 86708540 in words is "eighty-six million, seven hundred eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 4335427 8670854 17341708 21677135 43354270 86708540