Base | Representation |
---|---|
bin | 1100100010100… |
… | …11100110101101 |
3 | 21022221201022222 |
4 | 12101103212231 |
5 | 203412400140 |
6 | 14234445125 |
7 | 2415120446 |
oct | 621234655 |
9 | 238851288 |
10 | 105200045 |
11 | 54423395 |
12 | 2b2937a5 |
13 | 18a44662 |
14 | dd862cd |
15 | 93805b5 |
hex | 64539ad |
105200045 has 8 divisors (see below), whose sum is σ = 131728896. Its totient is φ = 80500816.
The previous prime is 105200041. The next prime is 105200057. The reversal of 105200045 is 540002501.
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 105200045 - 22 = 105200041 is a prime.
It is a super-2 number, since 2×1052000452 = 22134098936004050, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105199996 and 105200032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105200041) 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, 457277 + ... + 457506.
It is an arithmetic number, because the mean of its divisors is an integer number (16466112).
Almost surely, 2105200045 is an apocalyptic number.
It is an amenable number.
105200045 is a deficient number, since it is larger than the sum of its proper divisors (26528851).
105200045 is an equidigital number, since it uses as much as digits as its factorization.
105200045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 914811.
The product of its (nonzero) digits is 200, while the sum is 17.
The square root of 105200045 is about 10256.7073176532. The cubic root of 105200045 is about 472.0688114869.
Adding to 105200045 its reverse (540002501), we get a palindrome (645202546).
The spelling of 105200045 in words is "one hundred five million, two hundred thousand, forty-five".
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