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105344747 = 239440773
BaseRepresentation
bin1100100011101…
…10111011101011
321100020001211022
412101312323223
5203432012442
614241523055
72416262354
oct621667353
9240201738
10105344747
1154512082
122b34348b
1318a95491
14ddc2d2b
1593ad3d2
hex6476eeb

105344747 has 4 divisors (see below), whose sum is σ = 105785760. Its totient is φ = 104903736.

The previous prime is 105344741. The next prime is 105344749. The reversal of 105344747 is 747443501.

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 105344747 - 218 = 105082603 is a prime.

It is a super-2 number, since 2×1053447472 = 22195031440988018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105344741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220148 + ... + 220625.

It is an arithmetic number, because the mean of its divisors is an integer number (26446440).

Almost surely, 2105344747 is an apocalyptic number.

105344747 is a deficient number, since it is larger than the sum of its proper divisors (441013).

105344747 is an equidigital number, since it uses as much as digits as its factorization.

105344747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441012.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 105344747 is about 10263.7589118217. The cubic root of 105344747 is about 472.2851548842.

The spelling of 105344747 in words is "one hundred five million, three hundred forty-four thousand, seven hundred forty-seven".

Divisors: 1 239 440773 105344747