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105683605 = 5191975647
BaseRepresentation
bin1100100110010…
…01101010010101
321100212021122121
412103021222111
5204023333410
614253055541
72422203316
oct623115225
9240767577
10105683605
1154723725
122b4875b1
1318b837a1
141007060d
1594289da
hex64c9a95

105683605 has 16 divisors (see below), whose sum is σ = 134196480. Its totient is φ = 79676352.

The previous prime is 105683587. The next prime is 105683639. The reversal of 105683605 is 506386501.

It is a cyclic number.

It is not a de Polignac number, because 105683605 - 27 = 105683477 is a prime.

It is a super-2 number, since 2×1056836052 = 22338048731592050, 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15892 + ... + 21538.

It is an arithmetic number, because the mean of its divisors is an integer number (8387280).

Almost surely, 2105683605 is an apocalyptic number.

It is an amenable number.

105683605 is a deficient number, since it is larger than the sum of its proper divisors (28512875).

105683605 is a wasteful number, since it uses less digits than its factorization.

105683605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 105683605 is about 10280.2531583614. The cubic root of 105683605 is about 472.7910061271.

The spelling of 105683605 in words is "one hundred five million, six hundred eighty-three thousand, six hundred five".

Divisors: 1 5 19 95 197 985 3743 5647 18715 28235 107293 536465 1112459 5562295 21136721 105683605