Base | Representation |
---|---|
bin | 1101000111001… |
… | …10001001001001 |
3 | 21122222022011221 |
4 | 12203212021021 |
5 | 211124311234 |
6 | 14525322041 |
7 | 2503636606 |
oct | 643461111 |
9 | 248868157 |
10 | 109994569 |
11 | 570a8603 |
12 | 30a06321 |
13 | 19a32a59 |
14 | 108736ad |
15 | 99caeb4 |
hex | 68e6249 |
109994569 has 4 divisors (see below), whose sum is σ = 110451220. Its totient is φ = 109537920.
The previous prime is 109994567. The next prime is 109994653. The reversal of 109994569 is 965499901.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 965499901 = 557 ⋅1733393.
It can be written as a sum of positive squares in 2 ways, for example, as 100260169 + 9734400 = 10013^2 + 3120^2 .
It is a cyclic number.
It is not a de Polignac number, because 109994569 - 21 = 109994567 is a prime.
It is a super-2 number, since 2×1099945692 = 24197610418991522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (109994567) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227964 + ... + 228445.
It is an arithmetic number, because the mean of its divisors is an integer number (27612805).
Almost surely, 2109994569 is an apocalyptic number.
It is an amenable number.
109994569 is a deficient number, since it is larger than the sum of its proper divisors (456651).
109994569 is an equidigital number, since it uses as much as digits as its factorization.
109994569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456650.
The product of its (nonzero) digits is 787320, while the sum is 52.
The square root of 109994569 is about 10487.8295657395. The cubic root of 109994569 is about 479.1341000610.
The spelling of 109994569 in words is "one hundred nine million, nine hundred ninety-four thousand, five hundred sixty-nine".
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