Base | Representation |
---|---|
bin | 100110011101… |
… | …010101111100 |
3 | 200222012102211 |
4 | 212131111330 |
5 | 10040103120 |
6 | 1000030204 |
7 | 151456411 |
oct | 46352574 |
9 | 20865384 |
10 | 10081660 |
11 | 5766556 |
12 | 3462364 |
13 | 211caa4 |
14 | 14a6108 |
15 | d4225a |
hex | 99d57c |
10081660 has 24 divisors (see below), whose sum is σ = 21573216. Its totient is φ = 3956160.
The previous prime is 10081657. The next prime is 10081661. The reversal of 10081660 is 6618001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10081661) 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, 3696 + ... + 5815.
It is an arithmetic number, because the mean of its divisors is an integer number (898884).
Almost surely, 210081660 is an apocalyptic number.
10081660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10081660 is an abundant number, since it is smaller than the sum of its proper divisors (11491556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10081660 is a wasteful number, since it uses less digits than its factorization.
10081660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9573 (or 9571 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 10081660 is about 3175.1629879425. The cubic root of 10081660 is about 216.0283170466.
Adding to 10081660 its reverse (6618001), we get a palindrome (16699661).
The spelling of 10081660 in words is "ten million, eighty-one thousand, six hundred sixty".
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