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105683293 = 43261937
BaseRepresentation
bin1100100110010…
…01100101011101
321100212021020001
412103021211131
5204023331133
614253054301
72422202362
oct623114535
9240767201
10105683293
1154723471
122b487391
1318b835c1
1410070469
15942887d
hex64c995d

105683293 has 12 divisors (see below), whose sum is σ = 110089308. Its totient is φ = 101424960.

The previous prime is 105683273. The next prime is 105683297. The reversal of 105683293 is 392386501.

It can be written as a sum of positive squares in 2 ways, for example, as 4439449 + 101243844 = 2107^2 + 10062^2 .

It is not a de Polignac number, because 105683293 - 25 = 105683261 is a prime.

It is a super-2 number, since 2×1056832932 = 22337916838647698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105683297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112321 + ... + 113257.

It is an arithmetic number, because the mean of its divisors is an integer number (9174109).

Almost surely, 2105683293 is an apocalyptic number.

It is an amenable number.

105683293 is a deficient number, since it is larger than the sum of its proper divisors (4406015).

105683293 is an frugal number, since it uses more digits than its factorization.

105683293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 105683293 is about 10280.2379836266. The cubic root of 105683293 is about 472.7905408675.

It can be divided in two parts, 10568 and 3293, that added together give a triangular number (13861 = T166).

The spelling of 105683293 in words is "one hundred five million, six hundred eighty-three thousand, two hundred ninety-three".

Divisors: 1 43 61 937 1849 2623 40291 57157 112789 1732513 2457751 105683293