Base | Representation |
---|---|
bin | 1101000101101… |
… | …01001101100101 |
3 | 21122121010020222 |
4 | 12202311031211 |
5 | 211101403044 |
6 | 14521134125 |
7 | 2502143363 |
oct | 642651545 |
9 | 248533228 |
10 | 109794149 |
11 | 56a80a73 |
12 | 3092a345 |
13 | 1999276a |
14 | 10820633 |
15 | 998b8ee |
hex | 68b5365 |
109794149 has 4 divisors (see below), whose sum is σ = 109830336. Its totient is φ = 109757964.
The previous prime is 109794107. The next prime is 109794151. The reversal of 109794149 is 941497901.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941497901 = 491 ⋅1917511.
It is a cyclic number.
It is not a de Polignac number, because 109794149 - 212 = 109790053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109794199) 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, 13079 + ... + 19764.
It is an arithmetic number, because the mean of its divisors is an integer number (27457584).
Almost surely, 2109794149 is an apocalyptic number.
It is an amenable number.
109794149 is a deficient number, since it is larger than the sum of its proper divisors (36187).
109794149 is an equidigital number, since it uses as much as digits as its factorization.
109794149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36186.
The product of its (nonzero) digits is 81648, while the sum is 44.
The square root of 109794149 is about 10478.2703248198. The cubic root of 109794149 is about 478.8429146560.
The spelling of 109794149 in words is "one hundred nine million, seven hundred ninety-four thousand, one hundred forty-nine".
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