Base | Representation |
---|---|
bin | 110100101010… |
… | …011000110110 |
3 | 221222101001101 |
4 | 310222120312 |
5 | 12013230420 |
6 | 1211520314 |
7 | 225225064 |
oct | 64523066 |
9 | 27871041 |
10 | 13805110 |
11 | 7879a90 |
12 | 475909a |
13 | 2b24807 |
14 | 1b95034 |
15 | 132a60a |
hex | d2a636 |
13805110 has 32 divisors (see below), whose sum is σ = 27778464. Its totient is φ = 4896000.
The previous prime is 13805101. The next prime is 13805117. The reversal of 13805110 is 1150831.
13805110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×138051102 = 381162124224200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13805117) 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, 2980 + ... + 6040.
It is an arithmetic number, because the mean of its divisors is an integer number (868077).
Almost surely, 213805110 is an apocalyptic number.
13805110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13805110 is an abundant number, since it is smaller than the sum of its proper divisors (13973354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13805110 is a wasteful number, since it uses less digits than its factorization.
13805110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3120.
The product of its (nonzero) digits is 120, while the sum is 19.
The square root of 13805110 is about 3715.5228434233. The cubic root of 13805110 is about 239.8906330399.
Adding to 13805110 its reverse (1150831), we get a palindrome (14955941).
The spelling of 13805110 in words is "thirteen million, eight hundred five thousand, one hundred ten".
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