Base | Representation |
---|---|
bin | 1100111011110… |
… | …01011111010001 |
3 | 21120011102022112 |
4 | 12131321133101 |
5 | 210234012240 |
6 | 14433315105 |
7 | 2455146200 |
oct | 635713721 |
9 | 246142275 |
10 | 108500945 |
11 | 56278403 |
12 | 30405a95 |
13 | 1962bc57 |
14 | 105a5237 |
15 | 97d3665 |
hex | 67797d1 |
108500945 has 12 divisors (see below), whose sum is σ = 151458804. Its totient is φ = 74400480.
The previous prime is 108500927. The next prime is 108500971. The reversal of 108500945 is 549005801.
It can be written as a sum of positive squares in 2 ways, for example, as 43020481 + 65480464 = 6559^2 + 8092^2 .
It is not a de Polignac number, because 108500945 - 210 = 108499921 is a prime.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 221186 + ... + 221675.
It is an arithmetic number, because the mean of its divisors is an integer number (12621567).
Almost surely, 2108500945 is an apocalyptic number.
It is an amenable number.
108500945 is a deficient number, since it is larger than the sum of its proper divisors (42957859).
108500945 is an equidigital number, since it uses as much as digits as its factorization.
108500945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 442880 (or 442873 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 32.
The square root of 108500945 is about 10416.3786893526. The cubic root of 108500945 is about 476.9554769772.
The spelling of 108500945 in words is "one hundred eight million, five hundred thousand, nine hundred forty-five".
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