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105115043 = 1110194613
BaseRepresentation
bin1100100001111…
…10110110100011
321022210101201202
412100332312203
5203402140133
614232551415
72414314565
oct620766643
9238711652
10105115043
1154375540
122b25256b
1318a14a67
14dd63335
1593652e8
hex643eda3

105115043 has 8 divisors (see below), whose sum is σ = 115807536. Its totient is φ = 94612000.

The previous prime is 105115033. The next prime is 105115069. The reversal of 105115043 is 340511501.

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 105115043 - 28 = 105114787 is a prime.

It is a super-2 number, since 2×1051150432 = 22098344529783698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105115033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46196 + ... + 48417.

It is an arithmetic number, because the mean of its divisors is an integer number (14475942).

Almost surely, 2105115043 is an apocalyptic number.

105115043 is a deficient number, since it is larger than the sum of its proper divisors (10692493).

105115043 is a wasteful number, since it uses less digits than its factorization.

105115043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94725.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 105115043 is about 10252.5627527950. The cubic root of 105115043 is about 471.9416328166.

Adding to 105115043 its reverse (340511501), we get a palindrome (445626544).

The spelling of 105115043 in words is "one hundred five million, one hundred fifteen thousand, forty-three".

Divisors: 1 11 101 1111 94613 1040743 9555913 105115043