Base | Representation |
---|---|
bin | 1100011110011… |
… | …00100111000101 |
3 | 21021220121211212 |
4 | 12033030213011 |
5 | 203242201414 |
6 | 14214541205 |
7 | 2410325420 |
oct | 617144705 |
9 | 237817755 |
10 | 104647109 |
11 | 54085a16 |
12 | 2b067805 |
13 | 188aca88 |
14 | dc809b7 |
15 | 92c183e |
hex | 63cc9c5 |
104647109 has 16 divisors (see below), whose sum is σ = 124408320. Its totient is φ = 86123520.
The previous prime is 104647091. The next prime is 104647133. The reversal of 104647109 is 901746401.
It is a de Polignac number, because none of the positive numbers 2k-104647109 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 (104647139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37844 + ... + 40514.
It is an arithmetic number, because the mean of its divisors is an integer number (7775520).
Almost surely, 2104647109 is an apocalyptic number.
It is an amenable number.
104647109 is a deficient number, since it is larger than the sum of its proper divisors (19761211).
104647109 is a wasteful number, since it uses less digits than its factorization.
104647109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2900.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 104647109 is about 10229.7169560062. The cubic root of 104647109 is about 471.2402868161.
The spelling of 104647109 in words is "one hundred four million, six hundred forty-seven thousand, one hundred nine".
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