Base | Representation |
---|---|
bin | 111100001001010110100 |
3 | 10201010112010 |
4 | 13201022310 |
5 | 1001031433 |
6 | 110124220 |
7 | 22515654 |
oct | 7411264 |
9 | 3633463 |
10 | 1970868 |
11 | 1126819 |
12 | 7b0670 |
13 | 5400c3 |
14 | 394364 |
15 | 28de63 |
hex | 1e12b4 |
1970868 has 12 divisors (see below), whose sum is σ = 4598720. Its totient is φ = 656952.
The previous prime is 1970867. The next prime is 1970873. The reversal of 1970868 is 8680791.
It is a tau number, because it is divible by the number of its divisors (12).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1970867) 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, 82108 + ... + 82131.
21970868 is an apocalyptic number.
It is an amenable number.
1970868 is an abundant number, since it is smaller than the sum of its proper divisors (2627852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1970868 is a wasteful number, since it uses less digits than its factorization.
1970868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164246 (or 164244 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 39.
The square root of 1970868 is about 1403.8760629058. The cubic root of 1970868 is about 125.3773768803.
The spelling of 1970868 in words is "one million, nine hundred seventy thousand, eight hundred sixty-eight".
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