Base | Representation |
---|---|
bin | 100110100011… |
… | …001110110100 |
3 | 201000102112011 |
4 | 212203032310 |
5 | 10041341110 |
6 | 1000334004 |
7 | 151616626 |
oct | 46431664 |
9 | 21012464 |
10 | 10105780 |
11 | 5782693 |
12 | 3474304 |
13 | 212aa69 |
14 | 14b0c16 |
15 | d4948a |
hex | 9a33b4 |
10105780 has 24 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 4029600.
The previous prime is 10105747. The next prime is 10105789. The reversal of 10105780 is 8750101.
10105780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10105789) 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, 8205 + ... + 9355.
It is an arithmetic number, because the mean of its divisors is an integer number (887040).
Almost surely, 210105780 is an apocalyptic number.
10105780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10105780 is an abundant number, since it is smaller than the sum of its proper divisors (11183180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10105780 is a wasteful number, since it uses less digits than its factorization.
10105780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1599 (or 1597 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 22.
The square root of 10105780 is about 3178.9589490901. The cubic root of 10105780 is about 216.2004597668.
Adding to 10105780 its reverse (8750101), we get a palindrome (18855881).
The spelling of 10105780 in words is "ten million, one hundred five thousand, seven hundred eighty".
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