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105313103 = 722149247
BaseRepresentation
bin1100100011011…
…11001101001111
321100011110102022
412101233031033
5203430004403
614241120355
72416101200
oct621571517
9240143368
10105313103
11544a0325
122b3290bb
1318a83c5c
14ddb55a7
1593a3d38
hex646f34f

105313103 has 6 divisors (see below), whose sum is σ = 122507136. Its totient is φ = 90268332.

The previous prime is 105313081. The next prime is 105313111. The reversal of 105313103 is 301313501.

It is not a de Polignac number, because 105313103 - 28 = 105312847 is a prime.

It is a super-2 number, since 2×1053131032 = 22181699326977218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105313163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1074575 + ... + 1074672.

It is an arithmetic number, because the mean of its divisors is an integer number (20417856).

Almost surely, 2105313103 is an apocalyptic number.

105313103 is a deficient number, since it is larger than the sum of its proper divisors (17194033).

105313103 is an equidigital number, since it uses as much as digits as its factorization.

105313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149261 (or 2149254 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 105313103 is about 10262.2172555447. The cubic root of 105313103 is about 472.2378609959.

Adding to 105313103 its reverse (301313501), we get a palindrome (406626604).

The spelling of 105313103 in words is "one hundred five million, three hundred thirteen thousand, one hundred three".

Divisors: 1 7 49 2149247 15044729 105313103