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86742008 = 2343252157
BaseRepresentation
bin1010010101110…
…01001111111000
320001012221122222
411022321033320
5134201221013
612335103212
72102203103
oct512711770
9201187588
1086742008
1144a66611
1225071b08
1314c81042
14b73d73a
157936508
hex52b93f8

86742008 has 16 divisors (see below), whose sum is σ = 166424280. Its totient is φ = 42362208.

The previous prime is 86742001. The next prime is 86742017. The reversal of 86742008 is 80024768.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86742001) 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, 125735 + ... + 126422.

Almost surely, 286742008 is an apocalyptic number.

It is an amenable number.

86742008 is a deficient number, since it is larger than the sum of its proper divisors (79682272).

86742008 is a wasteful number, since it uses less digits than its factorization.

86742008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252206 (or 252202 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 86742008 is about 9313.5389621776. The cubic root of 86742008 is about 442.6663304823. Note that the first 3 decimals are identical.

It can be divided in two parts, 867 and 42008, that added together give a cube (42875 = 353).

The spelling of 86742008 in words is "eighty-six million, seven hundred forty-two thousand, eight".

Divisors: 1 2 4 8 43 86 172 344 252157 504314 1008628 2017256 10842751 21685502 43371004 86742008