Base | Representation |
---|---|
bin | 101001011101… |
… | …011110101001 |
3 | 202110011222120 |
4 | 221131132221 |
5 | 10240244044 |
6 | 1024541453 |
7 | 161245011 |
oct | 51353651 |
9 | 22404876 |
10 | 10868649 |
11 | 6153860 |
12 | 3781889 |
13 | 233706c |
14 | 162cc41 |
15 | e4a519 |
hex | a5d7a9 |
10868649 has 32 divisors (see below), whose sum is σ = 16813440. Its totient is φ = 6182400.
The previous prime is 10868647. The next prime is 10868651. The reversal of 10868649 is 94686801.
It is an interprime number because it is at equal distance from previous prime (10868647) and next prime (10868651).
It is not a de Polignac number, because 10868649 - 21 = 10868647 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 10868649.
It is not an unprimeable number, because it can be changed into a prime (10868647) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39099 + ... + 39375.
It is an arithmetic number, because the mean of its divisors is an integer number (525420).
Almost surely, 210868649 is an apocalyptic number.
It is an amenable number.
10868649 is a deficient number, since it is larger than the sum of its proper divisors (5944791).
10868649 is a wasteful number, since it uses less digits than its factorization.
10868649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361.
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 10868649 is about 3296.7634128035. The cubic root of 10868649 is about 221.5092438227.
The spelling of 10868649 in words is "ten million, eight hundred sixty-eight thousand, six hundred forty-nine".
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