Base | Representation |
---|---|
bin | 100000010001… |
… | …101011011100 |
3 | 120220212100010 |
4 | 200101223130 |
5 | 4131223040 |
6 | 501203220 |
7 | 131626461 |
oct | 40215334 |
9 | 16825303 |
10 | 8461020 |
11 | 4859987 |
12 | 2a00510 |
13 | 19a3229 |
14 | 11a3668 |
15 | b21e80 |
hex | 811adc |
8461020 has 48 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 2227776.
The previous prime is 8461009. The next prime is 8461021. The reversal of 8461020 is 201648.
8461020 is digitally balanced in base 5, 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 (8461021) 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, 4131 + ... + 5829.
It is an arithmetic number, because the mean of its divisors is an integer number (499800).
Almost surely, 28461020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8461020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11995200).
8461020 is an abundant number, since it is smaller than the sum of its proper divisors (15529380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8461020 is a wasteful number, since it uses less digits than its factorization.
8461020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1794 (or 1792 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 8461020 is about 2908.7832507769. The cubic root of 8461020 is about 203.7703104949.
Adding to 8461020 its reverse (201648), we get a palindrome (8662668).
The spelling of 8461020 in words is "eight million, four hundred sixty-one thousand, twenty".
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