Search a number
-
+
108943845 = 357262923
BaseRepresentation
bin1100111111001…
…01100111100101
321120222220212020
412133211213211
5210342200340
614451013353
72462002353
oct637454745
9246886766
10108943845
115655013a
123059a259
131975571a
141067c7d3
15986e9d0
hex67e59e5

108943845 has 8 divisors (see below), whose sum is σ = 174310176. Its totient is φ = 58103376.

The previous prime is 108943843. The next prime is 108943867. The reversal of 108943845 is 548349801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108943845 - 21 = 108943843 is a prime.

It is a super-2 number, since 2×1089438452 = 23737522726768050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108943797 and 108943806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108943843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3631447 + ... + 3631476.

It is an arithmetic number, because the mean of its divisors is an integer number (21788772).

Almost surely, 2108943845 is an apocalyptic number.

108943845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108943845 is a deficient number, since it is larger than the sum of its proper divisors (65366331).

108943845 is an equidigital number, since it uses as much as digits as its factorization.

108943845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262931.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 108943845 is about 10437.6168256935. The cubic root of 108943845 is about 477.6035720983.

The spelling of 108943845 in words is "one hundred eight million, nine hundred forty-three thousand, eight hundred forty-five".

Divisors: 1 3 5 15 7262923 21788769 36314615 108943845