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108828733 = 132643957
BaseRepresentation
bin1100111110010…
…01100000111101
321120210001221211
412133021200331
5210330004413
614444324421
72461012636
oct637114075
9246701854
10108828733
1156481702
1230543711
1319715200
141064c88d
15984a83d
hex67c983d

108828733 has 6 divisors (see below), whose sum is σ = 117844314. Its totient is φ = 100457136.

The previous prime is 108828689. The next prime is 108828739. The reversal of 108828733 is 337828801.

It can be written as a sum of positive squares in 3 ways, for example, as 11648569 + 97180164 = 3413^2 + 9858^2 .

It is not a de Polignac number, because 108828733 - 225 = 75274301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108828739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321810 + ... + 322147.

It is an arithmetic number, because the mean of its divisors is an integer number (19640719).

Almost surely, 2108828733 is an apocalyptic number.

108828733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

108828733 is a deficient number, since it is larger than the sum of its proper divisors (9015581).

108828733 is an equidigital number, since it uses as much as digits as its factorization.

108828733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643983 (or 643970 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 108828733 is about 10432.1010827158. The cubic root of 108828733 is about 477.4352980139.

It can be divided in two parts, 108828 and 733, that added together give a square (109561 = 3312).

The spelling of 108828733 in words is "one hundred eight million, eight hundred twenty-eight thousand, seven hundred thirty-three".

Divisors: 1 13 169 643957 8371441 108828733