Base | Representation |
---|---|
bin | 11010001100111100001010 |
3 | 110220222011000 |
4 | 122030330022 |
5 | 3224244441 |
6 | 403115430 |
7 | 112245333 |
oct | 32147412 |
9 | 13828130 |
10 | 6868746 |
11 | 3971655 |
12 | 2372b76 |
13 | 1566561 |
14 | cab28a |
15 | 90a2b6 |
hex | 68cf0a |
6868746 has 32 divisors (see below), whose sum is σ = 15350400. Its totient is φ = 2276640.
The previous prime is 6868739. The next prime is 6868759. The reversal of 6868746 is 6478686.
It is a happy number.
It is a super-2 number, since 2×68687462 = 94359343225032, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16590 + ... + 16998.
It is an arithmetic number, because the mean of its divisors is an integer number (479700).
Almost surely, 26868746 is an apocalyptic number.
6868746 is an abundant number, since it is smaller than the sum of its proper divisors (8481654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6868746 is a wasteful number, since it uses less digits than its factorization.
6868746 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 731 (or 725 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 6868746 is about 2620.8292580784. The cubic root of 6868746 is about 190.0899481772.
The spelling of 6868746 in words is "six million, eight hundred sixty-eight thousand, seven hundred forty-six".
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