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105113055 = 3579107829
BaseRepresentation
bin1100100001111…
…10010111011111
321022210022000010
412100332113133
5203402104210
614232534303
72414306025
oct620762737
9238708003
10105113055
1154373aa3
122b251393
1318a13b98
14dd62715
159364920
hex643e5df

105113055 has 32 divisors (see below), whose sum is σ = 172108800. Its totient is φ = 54767232.

The previous prime is 105113039. The next prime is 105113069. The reversal of 105113055 is 550311501.

It is not a de Polignac number, because 105113055 - 24 = 105113039 is a prime.

It is a super-2 number, since 2×1051130552 = 22097508662866050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 126381 + ... + 127209.

It is an arithmetic number, because the mean of its divisors is an integer number (5378400).

Almost surely, 2105113055 is an apocalyptic number.

105113055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105113055 is a deficient number, since it is larger than the sum of its proper divisors (66995745).

105113055 is a wasteful number, since it uses less digits than its factorization.

105113055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 105113055 is about 10252.4658009671. The cubic root of 105113055 is about 471.9386575816.

Adding to 105113055 its reverse (550311501), we get a palindrome (655424556).

The spelling of 105113055 in words is "one hundred five million, one hundred thirteen thousand, fifty-five".

Divisors: 1 3 5 15 79 107 237 321 395 535 829 1185 1605 2487 4145 8453 12435 25359 42265 65491 88703 126795 196473 266109 327455 443515 982365 1330545 7007537 21022611 35037685 105113055