Base | Representation |
---|---|
bin | 1101000101010… |
… | …10001100011001 |
3 | 21122111211100102 |
4 | 12202222030121 |
5 | 211043432032 |
6 | 14520145145 |
7 | 2501564660 |
oct | 642521431 |
9 | 248454312 |
10 | 109749017 |
11 | 56a50074 |
12 | 309081b5 |
13 | 19978061 |
14 | 1080bdd7 |
15 | 997d362 |
hex | 68aa319 |
109749017 has 8 divisors (see below), whose sum is σ = 126129600. Its totient is φ = 93543984.
The previous prime is 109748987. The next prime is 109749043. The reversal of 109749017 is 710947901.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 109749017 - 28 = 109748761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (109749317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42542 + ... + 45047.
It is an arithmetic number, because the mean of its divisors is an integer number (15766200).
Almost surely, 2109749017 is an apocalyptic number.
It is an amenable number.
109749017 is a deficient number, since it is larger than the sum of its proper divisors (16380583).
109749017 is an equidigital number, since it uses as much as digits as its factorization.
109749017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87775.
The product of its (nonzero) digits is 15876, while the sum is 38.
The square root of 109749017 is about 10476.1165037432. The cubic root of 109749017 is about 478.7772945828. Note that the first 3 decimals are identical.
It can be divided in two parts, 10974 and 9017, that added together give a palindrome (19991).
The spelling of 109749017 in words is "one hundred nine million, seven hundred forty-nine thousand, seventeen".
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