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106781448 = 2334449227
BaseRepresentation
bin1100101110101…
…01101100001000
321102221001121110
412113111230020
5204314001243
614332410320
72434425114
oct627255410
9242831543
10106781448
1155303534
122b9169a0
13191793b7
1410278744
159593e33
hex65d5b08

106781448 has 16 divisors (see below), whose sum is σ = 266953680. Its totient is φ = 35593808.

The previous prime is 106781443. The next prime is 106781489. The reversal of 106781448 is 844187601.

It is a super-2 number, since 2×1067814482 = 22804555273953408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106781443) 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, 2224590 + ... + 2224637.

It is an arithmetic number, because the mean of its divisors is an integer number (16684605).

Almost surely, 2106781448 is an apocalyptic number.

It is an amenable number.

106781448 is an abundant number, since it is smaller than the sum of its proper divisors (160172232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106781448 is a wasteful number, since it uses less digits than its factorization.

106781448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449236 (or 4449232 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 106781448 is about 10333.5109232051. The cubic root of 106781448 is about 474.4224900163.

The spelling of 106781448 in words is "one hundred six million, seven hundred eighty-one thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 4449227 8898454 13347681 17796908 26695362 35593816 53390724 106781448