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105385173 = 335128391
BaseRepresentation
bin1100100100000…
…00110011010101
321100022010021120
412102000303111
5203434311143
614242434153
72416521255
oct622006325
9240263246
10105385173
115453a493
122b362959
1318aaa9ba
14ddd3965
1593ba383
hex6480cd5

105385173 has 4 divisors (see below), whose sum is σ = 140513568. Its totient is φ = 70256780.

The previous prime is 105385127. The next prime is 105385207. The reversal of 105385173 is 371583501.

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 105385173 - 26 = 105385109 is a prime.

It is a super-2 number, since 2×1053851732 = 22212069376479858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105385123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17564193 + ... + 17564198.

It is an arithmetic number, because the mean of its divisors is an integer number (35128392).

Almost surely, 2105385173 is an apocalyptic number.

It is an amenable number.

105385173 is a deficient number, since it is larger than the sum of its proper divisors (35128395).

105385173 is an equidigital number, since it uses as much as digits as its factorization.

105385173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35128394.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 105385173 is about 10265.7280793912. The cubic root of 105385173 is about 472.3455602310.

The spelling of 105385173 in words is "one hundred five million, three hundred eighty-five thousand, one hundred seventy-three".

Divisors: 1 3 35128391 105385173