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102868079 = 175958481
BaseRepresentation
bin1100010000110…
…10010001101111
321011120020110212
412020122101233
5202313234304
614112453035
72356235636
oct610322157
9234506425
10102868079
1153080346
122a54a17b
13184090b2
14d93a51d
15906e66e
hex621a46f

102868079 has 4 divisors (see below), whose sum is σ = 102928320. Its totient is φ = 102807840.

The previous prime is 102868043. The next prime is 102868097. The reversal of 102868079 is 970868201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102868079 - 28 = 102867823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102868019) 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 in 3 ways as a sum of consecutive naturals, for example, 27482 + ... + 30999.

It is an arithmetic number, because the mean of its divisors is an integer number (25732080).

Almost surely, 2102868079 is an apocalyptic number.

102868079 is a deficient number, since it is larger than the sum of its proper divisors (60241).

102868079 is an equidigital number, since it uses as much as digits as its factorization.

102868079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60240.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 102868079 is about 10142.3902015255. The cubic root of 102868079 is about 468.5546043336.

The spelling of 102868079 in words is "one hundred two million, eight hundred sixty-eight thousand, seventy-nine".

Divisors: 1 1759 58481 102868079