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106809995 = 5137241647
BaseRepresentation
bin1100101110111…
…00101010001011
321102222111202202
412113130222023
5204320404440
614333150415
72434604255
oct627345213
9242874682
10106809995
1155322a26
122b92b40b
13191893a6
1410284cd5
15959c615
hex65dca8b

106809995 has 16 divisors (see below), whose sum is σ = 129843648. Its totient is φ = 84341760.

The previous prime is 106809949. The next prime is 106810003. The reversal of 106809995 is 599908601.

It is not a de Polignac number, because 106809995 - 28 = 106809739 is a prime.

It is a super-2 number, since 2×1068099952 = 22816750063800050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164762 + ... + 165408.

It is an arithmetic number, because the mean of its divisors is an integer number (8115228).

Almost surely, 2106809995 is an apocalyptic number.

106809995 is a deficient number, since it is larger than the sum of its proper divisors (23033653).

106809995 is a wasteful number, since it uses less digits than its factorization.

106809995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 106809995 is about 10334.8921136120. The cubic root of 106809995 is about 474.4647636895.

The spelling of 106809995 in words is "one hundred six million, eight hundred nine thousand, nine hundred ninety-five".

Divisors: 1 5 137 241 647 685 1205 3235 33017 88639 155927 165085 443195 779635 21361999 106809995