Base | Representation |
---|---|
bin | 1100100010000… |
… | …01010101011110 |
3 | 21022210220200110 |
4 | 12101001111132 |
5 | 203403001324 |
6 | 14233110450 |
7 | 2414356335 |
oct | 621012536 |
9 | 238726613 |
10 | 105125214 |
11 | 54382147 |
12 | 2b258426 |
13 | 18a1958c |
14 | dd66d1c |
15 | 9368329 |
hex | 644155e |
105125214 has 32 divisors (see below), whose sum is σ = 227306880. Its totient is φ = 32298912.
The previous prime is 105125213. The next prime is 105125219. The reversal of 105125214 is 412521501.
It is a super-2 number, since 2×1051252142 = 22102621237091592, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105125213) 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, 8244 + ... + 16679.
It is an arithmetic number, because the mean of its divisors is an integer number (7103340).
Almost surely, 2105125214 is an apocalyptic number.
105125214 is an abundant number, since it is smaller than the sum of its proper divisors (122181666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105125214 is a wasteful number, since it uses less digits than its factorization.
105125214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24984.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 105125214 is about 10253.0587631204. The cubic root of 105125214 is about 471.9568541189.
Adding to 105125214 its reverse (412521501), we get a palindrome (517646715).
The spelling of 105125214 in words is "one hundred five million, one hundred twenty-five thousand, two hundred fourteen".
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