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103686005 = 538953309
BaseRepresentation
bin1100010111000…
…01111101110101
321020002210110102
412023201331311
5203020423010
614142203445
72366213363
oct613417565
9236083412
10103686005
1153589915
122a883585
1318634487
14dab0633
159181ba5
hex62e1f75

103686005 has 8 divisors (see below), whose sum is σ = 124745400. Its totient is φ = 82734016.

The previous prime is 103685977. The next prime is 103686013. The reversal of 103686005 is 500686301.

It can be written as a sum of positive squares in 4 ways, for example, as 643204 + 103042801 = 802^2 + 10151^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 103686005 - 218 = 103423861 is a prime.

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, 24710 + ... + 28599.

It is an arithmetic number, because the mean of its divisors is an integer number (15593175).

Almost surely, 2103686005 is an apocalyptic number.

It is an amenable number.

103686005 is a deficient number, since it is larger than the sum of its proper divisors (21059395).

103686005 is an equidigital number, since it uses as much as digits as its factorization.

103686005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53703.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 103686005 is about 10182.6325181654. The cubic root of 103686005 is about 469.7931865106.

The spelling of 103686005 in words is "one hundred three million, six hundred eighty-six thousand, five".

Divisors: 1 5 389 1945 53309 266545 20737201 103686005