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102318005 = 537615441
BaseRepresentation
bin1100001100100…
…11111110110101
321010112021220202
412012103332311
5202143134010
614053010245
72351455136
oct606237665
9233467822
10102318005
1152835039
122a323985
13182758ca
14d835c8d
158eb16a5
hex6193fb5

102318005 has 8 divisors (see below), whose sum is σ = 122836824. Its totient is φ = 81817600.

The previous prime is 102317981. The next prime is 102318023. The reversal of 102318005 is 500813201.

It can be written as a sum of positive squares in 4 ways, for example, as 16459249 + 85858756 = 4057^2 + 9266^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102318005 - 214 = 102301621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16085 + ... + 21525.

It is an arithmetic number, because the mean of its divisors is an integer number (15354603).

Almost surely, 2102318005 is an apocalyptic number.

It is an amenable number.

102318005 is a deficient number, since it is larger than the sum of its proper divisors (20518819).

102318005 is an equidigital number, since it uses as much as digits as its factorization.

102318005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 102318005 is about 10115.2362799887. The cubic root of 102318005 is about 467.7179324598.

The spelling of 102318005 in words is "one hundred two million, three hundred eighteen thousand, five".

Divisors: 1 5 3761 5441 18805 27205 20463601 102318005