Base | Representation |
---|---|
bin | 1010000010010101001001 |
3 | 11221200000220 |
4 | 22002111021 |
5 | 1133142420 |
6 | 132220253 |
7 | 31235340 |
oct | 12022511 |
9 | 4850026 |
10 | 2630985 |
11 | 1537775 |
12 | a6a689 |
13 | 7116c6 |
14 | 4c6b57 |
15 | 36e840 |
hex | 282549 |
2630985 has 16 divisors (see below), whose sum is σ = 4811136. Its totient is φ = 1202688.
The previous prime is 2630951. The next prime is 2630989. The reversal of 2630985 is 5890362.
It is a happy number.
It is not a de Polignac number, because 2630985 - 26 = 2630921 is a prime.
It is a d-powerful number, because it can be written as 211 + 63 + 3 + 0 + 96 + 87 + 53 .
2630985 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2630989) 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, 12424 + ... + 12633.
It is an arithmetic number, because the mean of its divisors is an integer number (300696).
22630985 is an apocalyptic number.
It is an amenable number.
2630985 is a deficient number, since it is larger than the sum of its proper divisors (2180151).
2630985 is a wasteful number, since it uses less digits than its factorization.
2630985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25072.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 2630985 is about 1622.0311341032. The cubic root of 2630985 is about 138.0509683608.
The spelling of 2630985 in words is "two million, six hundred thirty thousand, nine hundred eighty-five".
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