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105306044 = 2267613641
BaseRepresentation
bin1100100011011…
…01011110111100
321100011002201212
412101231132330
5203424243134
614241023552
72416041464
oct621553674
9240132655
10105306044
1154495a98
122b324bb8
1318a8098c
14ddb2ba4
1593a1bce
hex646d7bc

105306044 has 24 divisors (see below), whose sum is σ = 187633488. Its totient is φ = 51701760.

The previous prime is 105306017. The next prime is 105306049. The reversal of 105306044 is 440603501.

It is a happy number.

It is a super-3 number, since 3×1053060443 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105306049) 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, 163964 + ... + 164604.

It is an arithmetic number, because the mean of its divisors is an integer number (7818062).

Almost surely, 2105306044 is an apocalyptic number.

It is an amenable number.

105306044 is a deficient number, since it is larger than the sum of its proper divisors (82327444).

105306044 is a wasteful number, since it uses less digits than its factorization.

105306044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 105306044 is about 10261.8733182592. The cubic root of 105306044 is about 472.2273095974.

Adding to 105306044 its reverse (440603501), we get a palindrome (545909545).

The spelling of 105306044 in words is "one hundred five million, three hundred six thousand, forty-four".

Divisors: 1 2 4 67 134 268 613 641 1226 1282 2452 2564 41071 42947 82142 85894 164284 171788 392933 785866 1571732 26326511 52653022 105306044