Base | Representation |
---|---|
bin | 1010001110010110111001 |
3 | 12001011121111 |
4 | 22032112321 |
5 | 1141231444 |
6 | 133240321 |
7 | 31532065 |
oct | 12162671 |
9 | 5034544 |
10 | 2680249 |
11 | 1570790 |
12 | a930a1 |
13 | 72ac60 |
14 | 4daaa5 |
15 | 37e234 |
hex | 28e5b9 |
2680249 has 8 divisors (see below), whose sum is σ = 3148992. Its totient is φ = 2249040.
The previous prime is 2680241. The next prime is 2680261. The reversal of 2680249 is 9420862.
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 2680249 - 23 = 2680241 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2680249.
It is not an unprimeable number, because it can be changed into a prime (2680241) 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, 9229 + ... + 9514.
It is an arithmetic number, because the mean of its divisors is an integer number (393624).
22680249 is an apocalyptic number.
It is an amenable number.
2680249 is a deficient number, since it is larger than the sum of its proper divisors (468743).
2680249 is a wasteful number, since it uses less digits than its factorization.
2680249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18767.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 2680249 is about 1637.1466030872. The cubic root of 2680249 is about 138.9072928738.
The spelling of 2680249 in words is "two million, six hundred eighty thousand, two hundred forty-nine".
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