Base | Representation |
---|---|
bin | 1100100010100… |
… | …00011011111110 |
3 | 21022221001112102 |
4 | 12101100123332 |
5 | 203411441240 |
6 | 14234305102 |
7 | 2415034562 |
oct | 621203376 |
9 | 238831472 |
10 | 105187070 |
11 | 5441466a |
12 | 2b288192 |
13 | 18a3b791 |
14 | dd816a2 |
15 | 937b815 |
hex | 64506fe |
105187070 has 16 divisors (see below), whose sum is σ = 190045440. Its totient is φ = 41917344.
The previous prime is 105187057. The next prime is 105187079. The reversal of 105187070 is 70781501.
It is a super-2 number, since 2×1051870702 = 22128639390369800, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105187079) 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, 16862 + ... + 22241.
It is an arithmetic number, because the mean of its divisors is an integer number (11877840).
Almost surely, 2105187070 is an apocalyptic number.
105187070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
105187070 is a deficient number, since it is larger than the sum of its proper divisors (84858370).
105187070 is a wasteful number, since it uses less digits than its factorization.
105187070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39379.
The product of its (nonzero) digits is 1960, while the sum is 29.
The square root of 105187070 is about 10256.0747852188. The cubic root of 105187070 is about 472.0494029253.
The spelling of 105187070 in words is "one hundred five million, one hundred eighty-seven thousand, seventy".
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