Base | Representation |
---|---|
bin | 100110111111… |
… | …010100110001 |
3 | 201020021100222 |
4 | 212333110301 |
5 | 10104031344 |
6 | 1003022425 |
7 | 152606252 |
oct | 46772461 |
9 | 21207328 |
10 | 10220849 |
11 | 5851091 |
12 | 350aa15 |
13 | 216b252 |
14 | 1500b29 |
15 | d6d5ee |
hex | 9bf531 |
10220849 has 8 divisors (see below), whose sum is σ = 10591560. Its totient is φ = 9856000.
The previous prime is 10220827. The next prime is 10220863. The reversal of 10220849 is 94802201.
It can be written as a sum of positive squares in 4 ways, for example, as 25600 + 10195249 = 160^2 + 3193^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10220849 - 28 = 10220593 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10220449) 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, 2249 + ... + 5049.
It is an arithmetic number, because the mean of its divisors is an integer number (1323945).
Almost surely, 210220849 is an apocalyptic number.
It is an amenable number.
10220849 is a deficient number, since it is larger than the sum of its proper divisors (370711).
10220849 is an equidigital number, since it uses as much as digits as its factorization.
10220849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2931.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 10220849 is about 3197.0062558588. The cubic root of 10220849 is about 217.0179503368.
The spelling of 10220849 in words is "ten million, two hundred twenty thousand, eight hundred forty-nine".
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