Search a number
-
+
106808468 = 22132054009
BaseRepresentation
bin1100101110111…
…00010010010100
321102222102200012
412113130102110
5204320332333
614333135352
72434566644
oct627342224
9242872605
10106808468
1155321868
122b92a558
13191887a0
1410284524
15959be48
hex65dc494

106808468 has 12 divisors (see below), whose sum is σ = 201292980. Its totient is φ = 49296192.

The previous prime is 106808461. The next prime is 106808473. The reversal of 106808468 is 864808601.

It can be written as a sum of positive squares in 2 ways, for example, as 50438404 + 56370064 = 7102^2 + 7508^2 .

It is a super-2 number, since 2×1068084682 = 22816097673014048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106808461) 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, 1026953 + ... + 1027056.

It is an arithmetic number, because the mean of its divisors is an integer number (16774415).

Almost surely, 2106808468 is an apocalyptic number.

It is an amenable number.

106808468 is a deficient number, since it is larger than the sum of its proper divisors (94484512).

106808468 is a wasteful number, since it uses less digits than its factorization.

106808468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054026 (or 2054024 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 106808468 is about 10334.8182373954. The cubic root of 106808468 is about 474.4625026303.

The spelling of 106808468 in words is "one hundred six million, eight hundred eight thousand, four hundred sixty-eight".

Divisors: 1 2 4 13 26 52 2054009 4108018 8216036 26702117 53404234 106808468