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105268663 = 372845099
BaseRepresentation
bin1100100011001…
…00010110110111
321100002012110101
412101210112313
5203422044123
614240134531
72415524503
oct621442667
9240065411
10105268663
115446a9a5
122b307447
1318a69966
14dda3303
159395aad
hex64645b7

105268663 has 4 divisors (see below), whose sum is σ = 108113800. Its totient is φ = 102423528.

The previous prime is 105268661. The next prime is 105268679. The reversal of 105268663 is 366862501.

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 105268663 - 21 = 105268661 is a prime.

It is a super-2 number, since 2×1052686632 = 22162982819615138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2845099 = 105268663 / (1 + 0 + 5 + 2 + 6 + 8 + 6 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105268661) 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, 1422513 + ... + 1422586.

It is an arithmetic number, because the mean of its divisors is an integer number (27028450).

Almost surely, 2105268663 is an apocalyptic number.

105268663 is a deficient number, since it is larger than the sum of its proper divisors (2845137).

105268663 is an equidigital number, since it uses as much as digits as its factorization.

105268663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845136.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 105268663 is about 10260.0518029881. The cubic root of 105268663 is about 472.1714267075.

The spelling of 105268663 in words is "one hundred five million, two hundred sixty-eight thousand, six hundred sixty-three".

Divisors: 1 37 2845099 105268663