Base | Representation |
---|---|
bin | 1100001011111… |
… | …01010011010101 |
3 | 21010100120111011 |
4 | 12011331103111 |
5 | 202132200414 |
6 | 14051012221 |
7 | 2350620250 |
oct | 605752325 |
9 | 233316434 |
10 | 102225109 |
11 | 52781268 |
12 | 2a29a071 |
13 | 1824253c |
14 | d810097 |
15 | 8e93dc4 |
hex | 617d4d5 |
102225109 has 8 divisors (see below), whose sum is σ = 116899200. Its totient is φ = 87568656.
The previous prime is 102225107. The next prime is 102225113. The reversal of 102225109 is 901522201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102225109 - 21 = 102225107 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102225109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102225107) 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, 12192 + ... + 18790.
It is an arithmetic number, because the mean of its divisors is an integer number (14612400).
Almost surely, 2102225109 is an apocalyptic number.
It is an amenable number.
102225109 is a deficient number, since it is larger than the sum of its proper divisors (14674091).
102225109 is an equidigital number, since it uses as much as digits as its factorization.
102225109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8819.
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 102225109 is about 10110.6433524282. The cubic root of 102225109 is about 467.5763403029.
The spelling of 102225109 in words is "one hundred two million, two hundred twenty-five thousand, one hundred nine".
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