Base | Representation |
---|---|
bin | 100110111101… |
… | …100111101100 |
3 | 201012220210102 |
4 | 212331213230 |
5 | 10103320433 |
6 | 1002530232 |
7 | 152550020 |
oct | 46754754 |
9 | 21186712 |
10 | 10213868 |
11 | 5846915 |
12 | 3506978 |
13 | 2168012 |
14 | 14dc380 |
15 | d6b4e8 |
hex | 9bd9ec |
10213868 has 48 divisors (see below), whose sum is σ = 21880320. Its totient is φ = 4074624.
The previous prime is 10213867. The next prime is 10213873. The reversal of 10213868 is 86831201.
It is a self number, because there is not a number n which added to its sum of digits gives 10213868.
It is not an unprimeable number, because it can be changed into a prime (10213867) 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, 38705 + ... + 38967.
It is an arithmetic number, because the mean of its divisors is an integer number (455840).
Almost surely, 210213868 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 10213868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10940160).
10213868 is an abundant number, since it is smaller than the sum of its proper divisors (11666452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10213868 is a wasteful number, since it uses less digits than its factorization.
10213868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366 (or 364 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 10213868 is about 3195.9142666849. The cubic root of 10213868 is about 216.9685301968.
The spelling of 10213868 in words is "ten million, two hundred thirteen thousand, eight hundred sixty-eight".
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