Base | Representation |
---|---|
bin | 1000011100110001100100 |
3 | 11011112102111 |
4 | 20130301210 |
5 | 1031340022 |
6 | 115250404 |
7 | 24553522 |
oct | 10346144 |
9 | 4145374 |
10 | 2215012 |
11 | 1283198 |
12 | 8a9a04 |
13 | 5c7277 |
14 | 419312 |
15 | 2db477 |
hex | 21cc64 |
2215012 has 12 divisors (see below), whose sum is σ = 4001536. Its totient is φ = 1071720.
The previous prime is 2215009. The next prime is 2215013. The reversal of 2215012 is 2105122.
It is a junction number, because it is equal to n+sod(n) for n = 2214983 and 2215001.
It is not an unprimeable number, because it can be changed into a prime (2215013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8808 + ... + 9055.
22215012 is an apocalyptic number.
It is an amenable number.
2215012 is a deficient number, since it is larger than the sum of its proper divisors (1786524).
2215012 is a wasteful number, since it uses less digits than its factorization.
2215012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17898 (or 17896 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 2215012 is about 1488.2916380871. The cubic root of 2215012 is about 130.3542997923.
The spelling of 2215012 in words is "two million, two hundred fifteen thousand, twelve".
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