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105683243 = 127782759
BaseRepresentation
bin1100100110010…
…01100100101011
321100212021011012
412103021210223
5204023330433
614253054135
72422202261
oct623114453
9240767135
10105683243
1154723426
122b48734b
1318b83583
1410070431
159428848
hex64c992b

105683243 has 4 divisors (see below), whose sum is σ = 105767280. Its totient is φ = 105599208.

The previous prime is 105683233. The next prime is 105683261. The reversal of 105683243 is 342386501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105683243 - 210 = 105682219 is a prime.

It is a super-2 number, since 2×1056832432 = 22337895701994098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105683233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40103 + ... + 42656.

It is an arithmetic number, because the mean of its divisors is an integer number (26441820).

Almost surely, 2105683243 is an apocalyptic number.

105683243 is a deficient number, since it is larger than the sum of its proper divisors (84037).

105683243 is an equidigital number, since it uses as much as digits as its factorization.

105683243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84036.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 105683243 is about 10280.2355517760. The cubic root of 105683243 is about 472.7904663066.

The spelling of 105683243 in words is "one hundred five million, six hundred eighty-three thousand, two hundred forty-three".

Divisors: 1 1277 82759 105683243