Base | Representation |
---|---|
bin | 1100100001010… |
… | …01100111110110 |
3 | 21022121222110010 |
4 | 12100221213312 |
5 | 203341344321 |
6 | 14231041050 |
7 | 2413503222 |
oct | 620514766 |
9 | 238558403 |
10 | 105028086 |
11 | 54316179 |
12 | 2b210186 |
13 | 189b42c7 |
14 | dd3d782 |
15 | 9349676 |
hex | 64299f6 |
105028086 has 32 divisors (see below), whose sum is σ = 225296640. Its totient is φ = 32539104.
The previous prime is 105028081. The next prime is 105028103. The reversal of 105028086 is 680820501.
It is a super-2 number, since 2×1050280862 = 22061797697646792, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105028081) 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, 2650 + ... + 14733.
It is an arithmetic number, because the mean of its divisors is an integer number (7040520).
Almost surely, 2105028086 is an apocalyptic number.
105028086 is an abundant number, since it is smaller than the sum of its proper divisors (120268554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105028086 is a wasteful number, since it uses less digits than its factorization.
105028086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17460.
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 105028086 is about 10248.3211307999. The cubic root of 105028086 is about 471.8114581399.
Adding to 105028086 its reverse (680820501), we get a palindrome (785848587).
The spelling of 105028086 in words is "one hundred five million, twenty-eight thousand, eighty-six".
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