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105304705 = 51111871613
BaseRepresentation
bin1100100011011…
…01001010000001
321100011000220021
412101231022001
5203424222310
614241013441
72416034542
oct621551201
9240130807
10105304705
1154494a90
122b324281
1318a8019c
14ddb24c9
1593a15da
hex646d281

105304705 has 16 divisors (see below), whose sum is σ = 138055104. Its totient is φ = 76473280.

The previous prime is 105304699. The next prime is 105304723. The reversal of 105304705 is 507403501.

It is not a de Polignac number, because 105304705 - 23 = 105304697 is a prime.

It is a super-2 number, since 2×1053047052 = 22178161790274050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105304705.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 64479 + ... + 66091.

It is an arithmetic number, because the mean of its divisors is an integer number (8628444).

Almost surely, 2105304705 is an apocalyptic number.

It is an amenable number.

105304705 is a deficient number, since it is larger than the sum of its proper divisors (32750399).

105304705 is a wasteful number, since it uses less digits than its factorization.

105304705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 105304705 is about 10261.8080765526. The cubic root of 105304705 is about 472.2253080818.

The spelling of 105304705 in words is "one hundred five million, three hundred four thousand, seven hundred five".

Divisors: 1 5 11 55 1187 1613 5935 8065 13057 17743 65285 88715 1914631 9573155 21060941 105304705