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105343013 = 234580131
BaseRepresentation
bin1100100011101…
…10100000100101
321100012222110002
412101312200211
5203431434023
614241511045
72416254326
oct621664045
9240188402
10105343013
1154510846
122b342485
1318a94759
14ddc244d
1593acb28
hex6476825

105343013 has 4 divisors (see below), whose sum is σ = 109923168. Its totient is φ = 100762860.

The previous prime is 105343009. The next prime is 105343037. The reversal of 105343013 is 310343501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105343013 - 22 = 105343009 is a prime.

It is a super-2 number, since 2×1053430132 = 22194300775836338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105343613) 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, 2290043 + ... + 2290088.

It is an arithmetic number, because the mean of its divisors is an integer number (27480792).

Almost surely, 2105343013 is an apocalyptic number.

It is an amenable number.

105343013 is a deficient number, since it is larger than the sum of its proper divisors (4580155).

105343013 is an equidigital number, since it uses as much as digits as its factorization.

105343013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580154.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 105343013 is about 10263.6744394978. The cubic root of 105343013 is about 472.2825635607.

Adding to 105343013 its reverse (310343501), we get a palindrome (415686514).

The spelling of 105343013 in words is "one hundred five million, three hundred forty-three thousand, thirteen".

Divisors: 1 23 4580131 105343013