Base | Representation |
---|---|
bin | 1010001110011101011100 |
3 | 12001012012000 |
4 | 22032131130 |
5 | 1141240133 |
6 | 133242300 |
7 | 31533234 |
oct | 12163534 |
9 | 5035160 |
10 | 2680668 |
11 | 1571031 |
12 | a93390 |
13 | 72b1c3 |
14 | 4dacc4 |
15 | 37e413 |
hex | 28e75c |
2680668 has 24 divisors (see below), whose sum is σ = 6950160. Its totient is φ = 893520.
The previous prime is 2680661. The next prime is 2680681. The reversal of 2680668 is 8660862.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2680661) 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, 12303 + ... + 12518.
It is an arithmetic number, because the mean of its divisors is an integer number (289590).
22680668 is an apocalyptic number.
It is an amenable number.
2680668 is an abundant number, since it is smaller than the sum of its proper divisors (4269492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680668 is a wasteful number, since it uses less digits than its factorization.
2680668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24834 (or 24826 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 2680668 is about 1637.2745646348. The cubic root of 2680668 is about 138.9145308982.
The spelling of 2680668 in words is "two million, six hundred eighty thousand, six hundred sixty-eight".
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