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108775045 = 521755009
BaseRepresentation
bin1100111101111…
…00011010000101
321120200100022101
412132330122011
5210321300140
614443232101
72460400261
oct636743205
9246610271
10108775045
1156445335
1230518631
13196c6942
14106370a1
15983999a
hex67bc685

108775045 has 4 divisors (see below), whose sum is σ = 130530060. Its totient is φ = 87020032.

The previous prime is 108775039. The next prime is 108775067. The reversal of 108775045 is 540577801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540577801 = 1247943319.

It can be written as a sum of positive squares in 2 ways, for example, as 50680161 + 58094884 = 7119^2 + 7622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108775045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108774995 and 108775013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10877500 + ... + 10877509.

It is an arithmetic number, because the mean of its divisors is an integer number (32632515).

Almost surely, 2108775045 is an apocalyptic number.

It is an amenable number.

108775045 is a deficient number, since it is larger than the sum of its proper divisors (21755015).

108775045 is an equidigital number, since it uses as much as digits as its factorization.

108775045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21755014.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 108775045 is about 10429.5275540170. The cubic root of 108775045 is about 477.3567747483.

The spelling of 108775045 in words is "one hundred eight million, seven hundred seventy-five thousand, forty-five".

Divisors: 1 5 21755009 108775045